{"title":"Mason-Lite Damper Blocks","description":null,"products":[{"product_id":"mason-lite-cast-iron-dampers","title":"Mason-Lite 24\" Cast Damper With Damper Block for MFP33","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp style=\"text-align:center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/images_3.png?v=1793022977\" alt=\"Mason-Lite fireplaces by MFI\" width=\"260\" style=\"display:block;margin:0 auto 16px auto;max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eEngineered by Mason-Lite, the 24\" Cast Damper With Damper Block for MFP33 (model MFP-CC24) is a heavy-duty cast iron fireplace damper paired with matching damper blocks for the Mason-Lite MFP33 firebox. The damper blocks lift a traditional vestal-style damper to the correct height for Mason-Lite masonry fireplaces, ensuring a tight, properly aligned fit. A properly installed damper is required for every indoor Mason-Lite fireplace application.\u003c\/p\u003e\u003cp\u003eClosing the damper when the fire is out reduces heat loss, improves home energy efficiency and keeps drafts out of your living space. Mason-Lite offers several damper options, including anchor plate dampers for masonry or metal chimneys and cast iron dampers with damper blocks, so you can choose the right solution for your venting system. Note that when Mason-Lite firebrick panels are installed, damper blocks are typically not needed. Because it is designed to work with Mason-Lite fireplaces, it installs cleanly alongside the rest of your build without guesswork or field modification.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCast Iron Damper\u003c\/li\u003e\n\u003cli\u003eDamper Block\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComes as three masonry blocks that are designed to lift a traditional vestal damper to fit standard Mason-Lite Masonry Fireplaces\u003c\/li\u003e\n\u003cli\u003eDampers are required for Indoor applications\u003c\/li\u003e\n\u003cli\u003eNote: if using Mason-Lite Firebrick Panels, Damper Blocks are not needed\u003c\/li\u003e\n\u003cli\u003eHeavy-duty cast iron damper\u003c\/li\u003e\n\u003cli\u003eDamper blocks included\u003c\/li\u003e\n\u003cli\u003eSeals the flue when not in use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMason-Lite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eItem Number\u003c\/th\u003e\n\u003ctd\u003eMFP-CC24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eCast Damper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCrate Weight\u003c\/th\u003e\n\u003ctd\u003e60 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCompatible With\u003c\/th\u003e\n\u003ctd\u003eMFP33\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDocuments \u0026amp; Files\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Mason-Lite-20pg-Product-Catalog-v3-MAR22-WEB-1.pdf\" target=\"_blank\" rel=\"noopener\"\u003e2024 Catalog\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/masonry-accessories-brochure-web.pdf\" target=\"_blank\" rel=\"noopener\"\u003eAccessories Brochure\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Mason-Lite-Damper-Install-Guide.pdf\" target=\"_blank\" rel=\"noopener\"\u003eInstallation Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mason-Lite","offers":[{"title":"Default Title","offer_id":57897951002807,"sku":"MFP-CC24","price":374.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/MFP-CC24_1.webp?v=1793170423"},{"product_id":"mason-lite-30-cast-damper-with-damper-block-for-mfp39","title":"Mason-Lite 30\" Cast Damper With Damper Block for MFP39","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp style=\"text-align:center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/images_3.png?v=1793022977\" alt=\"Mason-Lite fireplaces by MFI\" width=\"260\" style=\"display:block;margin:0 auto 16px auto;max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eDesigned as part of a complete fireplace system, the Mason-Lite 30\" Cast Damper With Damper Block for MFP39 (model MFP-CC30) is a heavy-duty cast iron fireplace damper paired with matching damper blocks for the Mason-Lite MFP39 firebox. The damper blocks lift a traditional vestal-style damper to the correct height for Mason-Lite masonry fireplaces, ensuring a tight, properly aligned fit. A properly installed damper is required for every indoor Mason-Lite fireplace application.\u003c\/p\u003e\u003cp\u003eClosing the damper when the fire is out reduces heat loss, improves home energy efficiency and keeps drafts out of your living space. Mason-Lite offers several damper options, including anchor plate dampers for masonry or metal chimneys and cast iron dampers with damper blocks, so you can choose the right solution for your venting system. Note that when Mason-Lite firebrick panels are installed, damper blocks are typically not needed. Because it is designed to work with Mason-Lite fireplaces, it installs cleanly alongside the rest of your build without guesswork or field modification.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCast Iron Damper\u003c\/li\u003e\n\u003cli\u003eDamper Block\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComes as three masonry blocks that are designed to lift a traditional vestal damper to fit standard Mason-Lite Masonry Fireplaces\u003c\/li\u003e\n\u003cli\u003eDampers are required for Indoor applications\u003c\/li\u003e\n\u003cli\u003eNote: if using Mason-Lite Firebrick Panels, Damper Blocks are not needed\u003c\/li\u003e\n\u003cli\u003eHeavy-duty cast iron damper\u003c\/li\u003e\n\u003cli\u003eDamper blocks included\u003c\/li\u003e\n\u003cli\u003eSeals the flue when not in use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMason-Lite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eItem Number\u003c\/th\u003e\n\u003ctd\u003eMFP-CC30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eCast Damper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCrate Weight\u003c\/th\u003e\n\u003ctd\u003e75 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCompatible With\u003c\/th\u003e\n\u003ctd\u003eMFP39\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDocuments \u0026amp; Files\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Mason-Lite-20pg-Product-Catalog-v3-MAR22-WEB-1.pdf\" target=\"_blank\" rel=\"noopener\"\u003e2024 Catalog\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Mason-Lite","offers":[{"title":"Default Title","offer_id":57897951822007,"sku":"MFP-CC30","price":487.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/mason-lite-30-cast-damper-with-damper-block-for-mfp39-1.webp?v=1793021855"},{"product_id":"mason-lite-36-cast-damper-with-damper-block-for-mfp44","title":"Mason-Lite 36\" Cast Damper With Damper Block for MFP44","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp style=\"text-align:center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/images_3.png?v=1793022977\" alt=\"Mason-Lite fireplaces by MFI\" width=\"260\" style=\"display:block;margin:0 auto 16px auto;max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eBuilt for lasting performance, the Mason-Lite 36\" Cast Damper With Damper Block for MFP44 (model MFP-CC36) is a heavy-duty cast iron fireplace damper paired with matching damper blocks for the Mason-Lite MFP44 firebox. The damper blocks lift a traditional vestal-style damper to the correct height for Mason-Lite masonry fireplaces, ensuring a tight, properly aligned fit. A properly installed damper is required for every indoor Mason-Lite fireplace application.\u003c\/p\u003e\u003cp\u003eClosing the damper when the fire is out reduces heat loss, improves home energy efficiency and keeps drafts out of your living space. Mason-Lite offers several damper options, including anchor plate dampers for masonry or metal chimneys and cast iron dampers with damper blocks, so you can choose the right solution for your venting system. Note that when Mason-Lite firebrick panels are installed, damper blocks are typically not needed. Choosing components designed for the Mason-Lite system keeps your installation consistent, protecting performance, appearance and long-term reliability.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCast Iron Damper\u003c\/li\u003e\n\u003cli\u003eDamper Block\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComes as three masonry blocks that are designed to lift a traditional vestal damper to fit standard Mason-Lite Masonry Fireplaces\u003c\/li\u003e\n\u003cli\u003eDampers are required for Indoor applications\u003c\/li\u003e\n\u003cli\u003eNote: if using Mason-Lite Firebrick Panels, Damper Blocks are not needed\u003c\/li\u003e\n\u003cli\u003eHeavy-duty cast iron damper\u003c\/li\u003e\n\u003cli\u003eDamper blocks included\u003c\/li\u003e\n\u003cli\u003eSeals the flue when not in use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMason-Lite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eItem Number\u003c\/th\u003e\n\u003ctd\u003eMFP-CC36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eCast Damper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCrate Weight\u003c\/th\u003e\n\u003ctd\u003e82 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCompatible With\u003c\/th\u003e\n\u003ctd\u003eMFP44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDocuments \u0026amp; Files\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Mason-Lite-20pg-Product-Catalog-v3-MAR22-WEB-1.pdf\" target=\"_blank\" rel=\"noopener\"\u003e2024 Catalog\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Mason-Lite","offers":[{"title":"Default Title","offer_id":57897951854775,"sku":"MFP-CC36","price":549.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/mason-lite-36-cast-damper-with-damper-block-for-mfp44-1.webp?v=1793021904"},{"product_id":"mason-lite-54-cast-damper-with-damper-block-for-mfp63","title":"Mason-Lite 54\" Cast Damper With Damper Block for MFP63","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp style=\"text-align:center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/images_3.png?v=1793022977\" alt=\"Mason-Lite fireplaces by MFI\" width=\"260\" style=\"display:block;margin:0 auto 16px auto;max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eDesigned as part of a complete fireplace system, the Mason-Lite 54\" Cast Damper With Damper Block for MFP63 (model MFP-CC54) is a heavy-duty cast iron fireplace damper paired with matching damper blocks for the Mason-Lite MFP63 firebox. The damper blocks lift a traditional vestal-style damper to the correct height for Mason-Lite masonry fireplaces, ensuring a tight, properly aligned fit. A properly installed damper is required for every indoor Mason-Lite fireplace application.\u003c\/p\u003e\u003cp\u003eClosing the damper when the fire is out reduces heat loss, improves home energy efficiency and keeps drafts out of your living space. Mason-Lite offers several damper options, including anchor plate dampers for masonry or metal chimneys and cast iron dampers with damper blocks, so you can choose the right solution for your venting system. Note that when Mason-Lite firebrick panels are installed, damper blocks are typically not needed. Because it is designed to work with Mason-Lite fireplaces, it installs cleanly alongside the rest of your build without guesswork or field modification.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCast Iron Damper\u003c\/li\u003e\n\u003cli\u003eDamper Block\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComes as three masonry blocks that are designed to lift a traditional vestal damper to fit standard Mason-Lite Masonry Fireplaces\u003c\/li\u003e\n\u003cli\u003eDampers are required for Indoor applications\u003c\/li\u003e\n\u003cli\u003eNote: if using Mason-Lite Firebrick Panels, Damper Blocks are not needed\u003c\/li\u003e\n\u003cli\u003eHeavy-duty cast iron damper\u003c\/li\u003e\n\u003cli\u003eDamper blocks included\u003c\/li\u003e\n\u003cli\u003eSeals the flue when not in use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMason-Lite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eItem Number\u003c\/th\u003e\n\u003ctd\u003eMFP-CC54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eCast Damper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCrate Weight\u003c\/th\u003e\n\u003ctd\u003e109 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCompatible With\u003c\/th\u003e\n\u003ctd\u003eMFP63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDocuments \u0026amp; Files\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Mason-Lite-20pg-Product-Catalog-v3-MAR22-WEB-1.pdf\" target=\"_blank\" rel=\"noopener\"\u003e2024 Catalog\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Mason-Lite","offers":[{"title":"Default Title","offer_id":57897952542903,"sku":"MFP-CC54","price":1467.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/mason-lite-54-cast-damper-with-damper-block-for-mfp63-1.webp?v=1793021942"},{"product_id":"mason-lite-damper-block-for-mfp63-fireplace","title":"Mason-Lite Damper Block for MFP63 Fireplace","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp style=\"text-align:center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/images_3.png?v=1793022977\" alt=\"Mason-Lite fireplaces by MFI\" width=\"260\" style=\"display:block;margin:0 auto 16px auto;max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eThe Mason-Lite Damper Block for MFP63 Fireplace (model MFPDS63) is a set of precision-cast masonry blocks that raise and support a traditional damper inside the firebox. The blocks are sized to match the firebox opening exactly, creating a solid, level base for the damper. A properly installed damper is required for every indoor Mason-Lite fireplace application.\u003c\/p\u003e\u003cp\u003eClosing the damper when the fire is out reduces heat loss, improves home energy efficiency and keeps drafts out of your living space. Mason-Lite offers several damper options, including anchor plate dampers for masonry or metal chimneys and cast iron dampers with damper blocks, so you can choose the right solution for your venting system. Note that when Mason-Lite firebrick panels are installed, damper blocks are typically not needed. Because Mason-Lite designs its fireplaces and accessories as one integrated system, this part installs cleanly alongside the rest of your build without guesswork or field modification.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eDamper Block\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComes as three masonry blocks that are designed to lift a traditional vestal damper to fit standard Mason-Lite Masonry Fireplaces\u003c\/li\u003e\n\u003cli\u003eFor use with Mason-Lite MFP63 Fireplace\u003c\/li\u003e\n\u003cli\u003eNote: if using Mason-Lite Firebrick Panels, Damper Blocks are not needed\u003c\/li\u003e\n\u003cli\u003ePrecision pre-cast masonry blocks\u003c\/li\u003e\n\u003cli\u003eSupports a traditional damper at the correct height\u003c\/li\u003e\n\u003cli\u003eSized for the matching Mason-Lite firebox\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMason-Lite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eItem Number\u003c\/th\u003e\n\u003ctd\u003eMFPDS63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eDamper Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCrate Weight\u003c\/th\u003e\n\u003ctd\u003e57 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCompatible With\u003c\/th\u003e\n\u003ctd\u003eMFP63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePre-Cast Refractory Concrete\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eLimited Lifetime Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eMade In\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDocuments \u0026amp; Files\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Mason-Lite-20pg-Product-Catalog-v3-MAR22-WEB-1.pdf\" target=\"_blank\" rel=\"noopener\"\u003e2024 Catalog\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Masonry_Accessories_Brochure.pdf\" target=\"_blank\" rel=\"noopener\"\u003eAccessories Brochure\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Mason-Lite_Damper_Block_Instruction.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDamper Block Instruction\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mason-Lite","offers":[{"title":"Default Title","offer_id":57897952706743,"sku":"MFPDS63","price":192.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/MFPDS33.webp?v=1793087417"},{"product_id":"mason-lite-42-cast-damper-with-damper-block-for-mfp49","title":"Mason-Lite 42\" Cast Damper With Damper Block for MFP49","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp style=\"text-align:center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/images_3.png?v=1793022977\" alt=\"Mason-Lite fireplaces by MFI\" width=\"260\" style=\"display:block;margin:0 auto 16px auto;max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eEngineered by Mason-Lite, the 42\" Cast Damper With Damper Block for MFP49 (model MFP-CC42) is a heavy-duty cast iron fireplace damper paired with matching damper blocks for the Mason-Lite MFP49 firebox. The damper blocks lift a traditional vestal-style damper to the correct height for Mason-Lite masonry fireplaces, ensuring a tight, properly aligned fit. A properly installed damper is required for every indoor Mason-Lite fireplace application.\u003c\/p\u003e\u003cp\u003eClosing the damper when the fire is out reduces heat loss, improves home energy efficiency and keeps drafts out of your living space. Mason-Lite offers several damper options, including anchor plate dampers for masonry or metal chimneys and cast iron dampers with damper blocks, so you can choose the right solution for your venting system. Note that when Mason-Lite firebrick panels are installed, damper blocks are typically not needed. Choosing components designed for the Mason-Lite system keeps your installation consistent, protecting performance, appearance and long-term reliability.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCast Iron Damper\u003c\/li\u003e\n\u003cli\u003eDamper Block\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComes as three masonry blocks that are designed to lift a traditional vestal damper to fit standard Mason-Lite Masonry Fireplaces\u003c\/li\u003e\n\u003cli\u003eDampers are required for Indoor applications\u003c\/li\u003e\n\u003cli\u003eNote: if using Mason-Lite Firebrick Panels, Damper Blocks are not needed\u003c\/li\u003e\n\u003cli\u003eHeavy-duty cast iron damper\u003c\/li\u003e\n\u003cli\u003eDamper blocks included\u003c\/li\u003e\n\u003cli\u003eSeals the flue when not in use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMason-Lite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eItem Number\u003c\/th\u003e\n\u003ctd\u003eMFP-CC42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eCast Damper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCrate Weight\u003c\/th\u003e\n\u003ctd\u003e89 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCompatible With\u003c\/th\u003e\n\u003ctd\u003eMFP49\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDocuments \u0026amp; Files\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Mason-Lite-20pg-Product-Catalog-v3-MAR22-WEB-1.pdf\" target=\"_blank\" rel=\"noopener\"\u003e2024 Catalog\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e","brand":"Mason-Lite","offers":[{"title":"Default Title","offer_id":57897953329335,"sku":"MFP-CC42","price":627.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/mason-lite-42-cast-damper-with-damper-block-for-mfp49-1.webp?v=1793021904"},{"product_id":"mason-lite-damper-block-for-mfp39","title":"Mason-Lite Damper Block for MFP39","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp style=\"text-align:center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/images_3.png?v=1793022977\" alt=\"Mason-Lite fireplaces by MFI\" width=\"260\" style=\"display:block;margin:0 auto 16px auto;max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eThe Mason-Lite Damper Block for MFP39 (model MFPDS39) is a set of precision-cast masonry blocks that raise and support a traditional damper inside the firebox. The blocks are sized to match the firebox opening exactly, creating a solid, level base for the damper. A properly installed damper is required for every indoor Mason-Lite fireplace application.\u003c\/p\u003e\u003cp\u003eClosing the damper when the fire is out reduces heat loss, improves home energy efficiency and keeps drafts out of your living space. Mason-Lite offers several damper options, including anchor plate dampers for masonry or metal chimneys and cast iron dampers with damper blocks, so you can choose the right solution for your venting system. Note that when Mason-Lite firebrick panels are installed, damper blocks are typically not needed. Backed by decades of masonry fireplace engineering, Mason-Lite products are made in the USA to help builders, masons and homeowners finish projects faster and with lasting results.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eDamper Block\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComes as three masonry blocks that are designed to lift a traditional vestal damper to fit standard Mason-Lite Masonry Fireplaces\u003c\/li\u003e\n\u003cli\u003eNote: if using Mason-Lite Firebrick Panels, Damper Blocks are not needed\u003c\/li\u003e\n\u003cli\u003ePrecision pre-cast masonry blocks\u003c\/li\u003e\n\u003cli\u003eSupports a traditional damper at the correct height\u003c\/li\u003e\n\u003cli\u003eSized for the matching Mason-Lite firebox\u003c\/li\u003e\n\u003cli\u003eInstalls with high-temperature mortar\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMason-Lite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eItem Number\u003c\/th\u003e\n\u003ctd\u003eMFPDS39\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eDamper Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCrate Weight\u003c\/th\u003e\n\u003ctd\u003e36 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCompatible With\u003c\/th\u003e\n\u003ctd\u003eMFP39\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePre-Cast Refractory Concrete\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eLimited Lifetime Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eMade In\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDocuments \u0026amp; Files\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Mason-Lite-20pg-Product-Catalog-v3-MAR22-WEB-1.pdf\" target=\"_blank\" rel=\"noopener\"\u003e2024 Catalog\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/masonry-accessories-brochure-web.pdf\" target=\"_blank\" rel=\"noopener\"\u003eAccessories Brochure\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Mason-Lite-Damper-Install-Guide.pdf\" target=\"_blank\" rel=\"noopener\"\u003eInstallation Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mason-Lite","offers":[{"title":"Default Title","offer_id":57897953362103,"sku":"MFPDS39","price":128.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/MFPDS33.webp?v=1793087417"},{"product_id":"mason-lite-damper-block-for-mfp44","title":"Mason-Lite Damper Block for MFP44","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp style=\"text-align:center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/images_3.png?v=1793022977\" alt=\"Mason-Lite fireplaces by MFI\" width=\"260\" style=\"display:block;margin:0 auto 16px auto;max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eThe Mason-Lite Damper Block for MFP44 (model MFPDS44) is a set of precision-cast masonry blocks that raise and support a traditional damper inside the firebox. The blocks are sized to match the firebox opening exactly, creating a solid, level base for the damper. A properly installed damper is required for every indoor Mason-Lite fireplace application.\u003c\/p\u003e\u003cp\u003eClosing the damper when the fire is out reduces heat loss, improves home energy efficiency and keeps drafts out of your living space. Mason-Lite offers several damper options, including anchor plate dampers for masonry or metal chimneys and cast iron dampers with damper blocks, so you can choose the right solution for your venting system. Note that when Mason-Lite firebrick panels are installed, damper blocks are typically not needed. Every Mason-Lite component is engineered and manufactured in the USA, so you can build with confidence knowing each part fits the complete fireplace system exactly as designed.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eDamper Block\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComes as three masonry blocks that are designed to lift a traditional vestal damper to fit standard Mason-Lite Masonry Fireplaces\u003c\/li\u003e\n\u003cli\u003eNote: if using Mason-Lite Firebrick Panels, Damper Blocks are not needed\u003c\/li\u003e\n\u003cli\u003ePrecision pre-cast masonry blocks\u003c\/li\u003e\n\u003cli\u003eSupports a traditional damper at the correct height\u003c\/li\u003e\n\u003cli\u003eSized for the matching Mason-Lite firebox\u003c\/li\u003e\n\u003cli\u003eInstalls with high-temperature mortar\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMason-Lite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eItem Number\u003c\/th\u003e\n\u003ctd\u003eMFPDS44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eDamper Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCrate Weight\u003c\/th\u003e\n\u003ctd\u003e40 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCompatible With\u003c\/th\u003e\n\u003ctd\u003eMFP44\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePre-Cast Refractory Concrete\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eLimited Lifetime Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eMade In\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDocuments \u0026amp; Files\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Mason-Lite-20pg-Product-Catalog-v3-MAR22-WEB-1.pdf\" target=\"_blank\" rel=\"noopener\"\u003e2024 Catalog\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/masonry-accessories-brochure-web.pdf\" target=\"_blank\" rel=\"noopener\"\u003eAccessories Brochure\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Mason-Lite-Damper-Install-Guide.pdf\" target=\"_blank\" rel=\"noopener\"\u003eInstallation Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mason-Lite","offers":[{"title":"Default Title","offer_id":57897953394871,"sku":"MFPDS44","price":147.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/MFPDS33.webp?v=1793087417"},{"product_id":"mason-lite-damper-block-for-mfp49","title":"Mason-Lite Damper Block for MFP49","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp style=\"text-align:center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/images_3.png?v=1793022977\" alt=\"Mason-Lite fireplaces by MFI\" width=\"260\" style=\"display:block;margin:0 auto 16px auto;max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eThe Mason-Lite Damper Block for MFP49 (model MFPDS49) is a set of precision-cast masonry blocks that raise and support a traditional damper inside the firebox. The blocks are sized to match the firebox opening exactly, creating a solid, level base for the damper. A properly installed damper is required for every indoor Mason-Lite fireplace application.\u003c\/p\u003e\u003cp\u003eClosing the damper when the fire is out reduces heat loss, improves home energy efficiency and keeps drafts out of your living space. Mason-Lite offers several damper options, including anchor plate dampers for masonry or metal chimneys and cast iron dampers with damper blocks, so you can choose the right solution for your venting system. Note that when Mason-Lite firebrick panels are installed, damper blocks are typically not needed. Because Mason-Lite designs its fireplaces and accessories as one integrated system, this part installs cleanly alongside the rest of your build without guesswork or field modification.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eDamper Block\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComes as three masonry blocks that are designed to lift a traditional vestal damper to fit standard Mason-Lite Masonry Fireplaces\u003c\/li\u003e\n\u003cli\u003eNote: if using Mason-Lite Firebrick Panels, Damper Blocks are not needed\u003c\/li\u003e\n\u003cli\u003ePrecision pre-cast masonry blocks\u003c\/li\u003e\n\u003cli\u003eSupports a traditional damper at the correct height\u003c\/li\u003e\n\u003cli\u003eSized for the matching Mason-Lite firebox\u003c\/li\u003e\n\u003cli\u003eInstalls with high-temperature mortar\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMason-Lite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eItem Number\u003c\/th\u003e\n\u003ctd\u003eMFPDS49\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eDamper Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCrate Weight\u003c\/th\u003e\n\u003ctd\u003e44 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCompatible With\u003c\/th\u003e\n\u003ctd\u003eMFP49\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePre-Cast Refractory Concrete\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eLimited Lifetime Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eMade In\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDocuments \u0026amp; Files\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Mason-Lite-20pg-Product-Catalog-v3-MAR22-WEB-1.pdf\" target=\"_blank\" rel=\"noopener\"\u003e2024 Catalog\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/masonry-accessories-brochure-web.pdf\" target=\"_blank\" rel=\"noopener\"\u003eAccessories Brochure\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Mason-Lite-Damper-Install-Guide.pdf\" target=\"_blank\" rel=\"noopener\"\u003eInstallation Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mason-Lite","offers":[{"title":"Default Title","offer_id":57897953427639,"sku":"MFPDS49","price":165.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/MFPDS33.webp?v=1793087417"},{"product_id":"mason-lite-damper-block-for-mfp63","title":"Mason-Lite Damper Block for MFP63","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp style=\"text-align:center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/images_3.png?v=1793022977\" alt=\"Mason-Lite fireplaces by MFI\" width=\"260\" style=\"display:block;margin:0 auto 16px auto;max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\u003cp\u003eDesigned as part of a complete fireplace system, the Mason-Lite Damper Block for MFP63 (model MFPDS63) is a set of precision-cast masonry blocks that raise and support a traditional damper inside the firebox. The blocks are sized to match the firebox opening exactly, creating a solid, level base for the damper. A properly installed damper is required for every indoor Mason-Lite fireplace application.\u003c\/p\u003e\u003cp\u003eClosing the damper when the fire is out reduces heat loss, improves home energy efficiency and keeps drafts out of your living space. Mason-Lite offers several damper options, including anchor plate dampers for masonry or metal chimneys and cast iron dampers with damper blocks, so you can choose the right solution for your venting system. Note that when Mason-Lite firebrick panels are installed, damper blocks are typically not needed. Every Mason-Lite component is engineered and manufactured in the USA, so you can build with confidence knowing each part fits the complete fireplace system exactly as designed.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eDamper Block\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComes as three masonry blocks that are designed to lift a traditional vestal damper to fit standard Mason-Lite Masonry Fireplaces\u003c\/li\u003e\n\u003cli\u003eNote: if using Mason-Lite Firebrick Panels, Damper Blocks are not needed\u003c\/li\u003e\n\u003cli\u003ePrecision pre-cast masonry blocks\u003c\/li\u003e\n\u003cli\u003eSupports a traditional damper at the correct height\u003c\/li\u003e\n\u003cli\u003eSized for the matching Mason-Lite firebox\u003c\/li\u003e\n\u003cli\u003eInstalls with high-temperature mortar\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMason-Lite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eItem Number\u003c\/th\u003e\n\u003ctd\u003eMFPDS63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eDamper Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCrate Weight\u003c\/th\u003e\n\u003ctd\u003e57 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eCompatible With\u003c\/th\u003e\n\u003ctd\u003eMFP63\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePre-Cast Refractory Concrete\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eLimited Lifetime Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding-right:16px\"\u003eMade In\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eDocuments \u0026amp; Files\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Mason-Lite-20pg-Product-Catalog-v3-MAR22-WEB-1.pdf\" target=\"_blank\" rel=\"noopener\"\u003e2024 Catalog\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/masonry-accessories-brochure-web.pdf\" target=\"_blank\" rel=\"noopener\"\u003eAccessories Brochure\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Mason-Lite-Damper-Install-Guide.pdf\" target=\"_blank\" rel=\"noopener\"\u003eInstallation Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mason-Lite","offers":[{"title":"Default Title","offer_id":57897953493175,"sku":"MFPDS63","price":192.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/MFPDS33.webp?v=1793087417"},{"product_id":"mason-lite-damper-blocks","title":"Mason-Lite Damper Block for MFP33","description":"\u003ch3 bis_size='{\"x\":11,\"y\":9,\"w\":684,\"h\":22,\"abs_x\":437,\"abs_y\":267}'\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"text-align: center;\" bis_size='{\"x\":11,\"y\":43,\"w\":684,\"h\":42,\"abs_x\":437,\"abs_y\":301}'\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/images_3.png?v=1793022977\" alt=\"Mason-Lite fireplaces by MFI\" width=\"260\" style=\"display: block; margin: 0 auto 16px auto; max-width: 100%; height: auto;\" bis_size='{\"x\":224,\"y\":43,\"w\":260,\"h\":42,\"abs_x\":650,\"abs_y\":301}'\u003e\u003c\/p\u003e\n\u003cp bis_size='{\"x\":11,\"y\":102,\"w\":684,\"h\":78,\"abs_x\":437,\"abs_y\":360}'\u003eBuilt for lasting performance, the Mason-Lite Damper Block for MFP33 (model MFPDS33) is a set of precision-cast masonry blocks that raise and support a traditional damper inside the firebox. The blocks are sized to match the firebox opening exactly, creating a solid, level base for the damper. A properly installed damper is required for every indoor Mason-Lite fireplace application.\u003c\/p\u003e\n\u003cp bis_size='{\"x\":11,\"y\":196,\"w\":684,\"h\":137,\"abs_x\":437,\"abs_y\":454}'\u003eClosing the damper when the fire is out reduces heat loss, improves home energy efficiency and keeps drafts out of your living space. Mason-Lite offers several damper o\u003cimg\u003eptions, including anchor plate dampers for masonry or metal chimneys and cast iron dampers with damper blocks, so you can choose the right solution for your venting system. Note that when Mason-Lite firebrick panels are installed, damper blocks are typically not needed. Choosing genuine Mason-Lite parts keeps your installation consistent with the manufacturer's tested system, protecting performance, appearance and long-term reliability. Pair it with other Mason-Lite fireboxes, chimney components and accessories to complete a durable, great-looking fireplace system.\u003c\/p\u003e\n\u003ch3 bis_size='{\"x\":11,\"y\":349,\"w\":684,\"h\":22,\"abs_x\":437,\"abs_y\":607}'\u003eWhat's Included\u003c\/h3\u003e\n\u003cul bis_size='{\"x\":11,\"y\":386,\"w\":684,\"h\":19,\"abs_x\":437,\"abs_y\":644}'\u003e\n\u003cli bis_size='{\"x\":51,\"y\":386,\"w\":644,\"h\":19,\"abs_x\":477,\"abs_y\":644}'\u003eDamper Block\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 bis_size='{\"x\":11,\"y\":420,\"w\":684,\"h\":22,\"abs_x\":437,\"abs_y\":678}'\u003eKey Features\u003c\/h3\u003e\n\u003cul bis_size='{\"x\":11,\"y\":456,\"w\":684,\"h\":137,\"abs_x\":437,\"abs_y\":714}'\u003e\n\u003cli bis_size='{\"x\":51,\"y\":456,\"w\":644,\"h\":39,\"abs_x\":477,\"abs_y\":714}'\u003eComes as three masonry blocks that are designed to lift a traditional vestal damper to fit standard Mason-Lite Masonry Fireplaces\u003c\/li\u003e\n\u003cli bis_size='{\"x\":51,\"y\":496,\"w\":644,\"h\":19,\"abs_x\":477,\"abs_y\":754}'\u003eNote: if using Mason-Lite Firebrick Panels, Damper Blocks are not needed\u003c\/li\u003e\n\u003cli bis_size='{\"x\":51,\"y\":515,\"w\":644,\"h\":19,\"abs_x\":477,\"abs_y\":773}'\u003ePrecision pre-cast masonry blocks\u003c\/li\u003e\n\u003cli bis_size='{\"x\":51,\"y\":535,\"w\":644,\"h\":19,\"abs_x\":477,\"abs_y\":793}'\u003eSupports a traditional damper at the correct height\u003c\/li\u003e\n\u003cli bis_size='{\"x\":51,\"y\":554,\"w\":644,\"h\":19,\"abs_x\":477,\"abs_y\":812}'\u003eSized for the matching Mason-Lite firebox\u003c\/li\u003e\n\u003cli bis_size='{\"x\":51,\"y\":574,\"w\":644,\"h\":19,\"abs_x\":477,\"abs_y\":832}'\u003eInstalls with high-temperature mortar\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 bis_size='{\"x\":11,\"y\":608,\"w\":684,\"h\":22,\"abs_x\":437,\"abs_y\":866}'\u003eSpecifications\u003c\/h3\u003e\n\u003ctable bis_size='{\"x\":11,\"y\":641,\"w\":684,\"h\":206,\"abs_x\":437,\"abs_y\":899}'\u003e\n\u003ctbody bis_size='{\"x\":14,\"y\":644,\"w\":679,\"h\":201,\"abs_x\":440,\"abs_y\":902}'\u003e\n\u003ctr bis_size='{\"x\":14,\"y\":644,\"w\":679,\"h\":24,\"abs_x\":440,\"abs_y\":902}'\u003e\n\u003cth style=\"text-align: left; padding-right: 16px;\" bis_size='{\"x\":14,\"y\":644,\"w\":283,\"h\":24,\"abs_x\":440,\"abs_y\":902}'\u003eBrand\u003c\/th\u003e\n\u003ctd bis_size='{\"x\":299,\"y\":644,\"w\":394,\"h\":24,\"abs_x\":725,\"abs_y\":902}'\u003eMason-Lite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":14,\"y\":669,\"w\":679,\"h\":24,\"abs_x\":440,\"abs_y\":927}'\u003e\n\u003cth style=\"text-align: left; padding-right: 16px;\" bis_size='{\"x\":14,\"y\":669,\"w\":283,\"h\":24,\"abs_x\":440,\"abs_y\":927}'\u003eItem Number\u003c\/th\u003e\n\u003ctd bis_size='{\"x\":299,\"y\":669,\"w\":394,\"h\":24,\"abs_x\":725,\"abs_y\":927}'\u003eMFPDS33\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":14,\"y\":694,\"w\":679,\"h\":24,\"abs_x\":440,\"abs_y\":952}'\u003e\n\u003cth style=\"text-align: left; padding-right: 16px;\" bis_size='{\"x\":14,\"y\":694,\"w\":283,\"h\":24,\"abs_x\":440,\"abs_y\":952}'\u003eProduct Type\u003c\/th\u003e\n\u003ctd bis_size='{\"x\":299,\"y\":694,\"w\":394,\"h\":24,\"abs_x\":725,\"abs_y\":952}'\u003eDamper Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":14,\"y\":720,\"w\":679,\"h\":24,\"abs_x\":440,\"abs_y\":978}'\u003e\n\u003cth style=\"text-align: left; padding-right: 16px;\" bis_size='{\"x\":14,\"y\":720,\"w\":283,\"h\":24,\"abs_x\":440,\"abs_y\":978}'\u003eCrate Weight\u003c\/th\u003e\n\u003ctd bis_size='{\"x\":299,\"y\":720,\"w\":394,\"h\":24,\"abs_x\":725,\"abs_y\":978}'\u003e31 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":14,\"y\":745,\"w\":679,\"h\":24,\"abs_x\":440,\"abs_y\":1003}'\u003e\n\u003cth style=\"text-align: left; padding-right: 16px;\" bis_size='{\"x\":14,\"y\":745,\"w\":283,\"h\":24,\"abs_x\":440,\"abs_y\":1003}'\u003eCompatible With\u003c\/th\u003e\n\u003ctd bis_size='{\"x\":299,\"y\":745,\"w\":394,\"h\":24,\"abs_x\":725,\"abs_y\":1003}'\u003eMFP33\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":14,\"y\":770,\"w\":679,\"h\":24,\"abs_x\":440,\"abs_y\":1028}'\u003e\n\u003cth style=\"text-align: left; padding-right: 16px;\" bis_size='{\"x\":14,\"y\":770,\"w\":283,\"h\":24,\"abs_x\":440,\"abs_y\":1028}'\u003eMaterial\u003c\/th\u003e\n\u003ctd bis_size='{\"x\":299,\"y\":770,\"w\":394,\"h\":24,\"abs_x\":725,\"abs_y\":1028}'\u003ePre-Cast Refractory Concrete\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":14,\"y\":795,\"w\":679,\"h\":24,\"abs_x\":440,\"abs_y\":1053}'\u003e\n\u003cth style=\"text-align: left; padding-right: 16px;\" bis_size='{\"x\":14,\"y\":795,\"w\":283,\"h\":24,\"abs_x\":440,\"abs_y\":1053}'\u003eWarranty\u003c\/th\u003e\n\u003ctd bis_size='{\"x\":299,\"y\":795,\"w\":394,\"h\":24,\"abs_x\":725,\"abs_y\":1053}'\u003eLimited Lifetime Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bis_size='{\"x\":14,\"y\":821,\"w\":679,\"h\":24,\"abs_x\":440,\"abs_y\":1079}'\u003e\n\u003cth style=\"text-align: left; padding-right: 16px;\" bis_size='{\"x\":14,\"y\":821,\"w\":283,\"h\":24,\"abs_x\":440,\"abs_y\":1079}'\u003eMade In\u003c\/th\u003e\n\u003ctd bis_size='{\"x\":299,\"y\":821,\"w\":394,\"h\":24,\"abs_x\":725,\"abs_y\":1079}'\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 bis_size='{\"x\":11,\"y\":847,\"w\":684,\"h\":22,\"abs_x\":437,\"abs_y\":1105}'\u003eDocuments \u0026amp; Files\u003c\/h3\u003e\n\u003cul bis_size='{\"x\":11,\"y\":884,\"w\":684,\"h\":58,\"abs_x\":437,\"abs_y\":1142}'\u003e\n\u003cli bis_size='{\"x\":51,\"y\":884,\"w\":644,\"h\":19,\"abs_x\":477,\"abs_y\":1142}'\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Mason-Lite-20pg-Product-Catalog-v3-MAR22-WEB-1.pdf\" rel=\"noopener\" bis_size='{\"x\":51,\"y\":884,\"w\":81,\"h\":18,\"abs_x\":477,\"abs_y\":1142}' target=\"_blank\"\u003e2024 Catalog\u003c\/a\u003e\u003c\/li\u003e\n\u003cli bis_size='{\"x\":51,\"y\":904,\"w\":644,\"h\":19,\"abs_x\":477,\"abs_y\":1162}'\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/masonry-accessories-brochure-web.pdf\" rel=\"noopener\" bis_size='{\"x\":51,\"y\":904,\"w\":130,\"h\":18,\"abs_x\":477,\"abs_y\":1162}' target=\"_blank\"\u003eAccessories Brochure\u003c\/a\u003e\u003c\/li\u003e\n\u003cli bis_size='{\"x\":51,\"y\":924,\"w\":644,\"h\":19,\"abs_x\":477,\"abs_y\":1182}'\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/Mason-Lite-Damper-Install-Guide.pdf\" rel=\"noopener\" bis_size='{\"x\":51,\"y\":924,\"w\":117,\"h\":18,\"abs_x\":477,\"abs_y\":1182}' target=\"_blank\"\u003eInstallation Manual\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mason-Lite","offers":[{"title":"Default Title","offer_id":57897978331319,"sku":"MFPDS33","price":108.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9646\/8151\/files\/MFPDS33.webp?v=1793087417"}],"url":"https:\/\/www.efireplacedirect.com\/collections\/mason-lite-damper-blocks.oembed","provider":"efireplacedirect","version":"1.0","type":"link"}