{"product_id":"mason-lite-steel-throat-dampers-mfp-sd","title":"Mason-Lite Steel Throat Dampers - MFP-SD","description":"\u003ch2 style=\"text-align: center;\" class=\"Polaris-Text--root Polaris-Text--headingLg Polaris-Text--semibold Polaris-Text--base\" tabindex=\"-1\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eMason-Lite Steel Throat Dampers - MFP-SD\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-end=\"374\" data-start=\"45\"\u003eThe \u003cstrong data-end=\"100\" data-start=\"49\"\u003eMason-Lite Steel Throat Dampers (MFP-SD Series)\u003c\/strong\u003e are heavy-duty fireplace components designed specifically for use with Mason-Lite modular masonry fireplaces. Built from durable steel, these throat dampers provide reliable \u003cstrong data-end=\"338\" data-start=\"275\"\u003eairflow control, heat efficiency, and combustion regulation\u003c\/strong\u003e without the need for damper blocks.\u003c\/p\u003e\n\u003cp data-end=\"578\" data-start=\"376\"\u003eEngineered for performance and long-term durability, each unit ensures a secure fit within compatible Mason-Lite firebox systems, helping optimize draft control and improve overall fireplace efficiency.\u003c\/p\u003e\n\u003cp data-end=\"794\" data-start=\"580\"\u003eIdeal for both residential and custom fireplace installations, the MFP-SD series is a trusted solution for professionals seeking \u003cstrong data-end=\"751\" data-start=\"709\"\u003ehigh-quality masonry fireplace dampers\u003c\/strong\u003e with simplified installation requirements.\u003c\/p\u003e\n\u003ch3 data-end=\"816\" data-start=\"801\" data-section-id=\"1ma7m6t\"\u003eFeatures\u003c\/h3\u003e\n\u003cul data-end=\"1331\" data-start=\"818\"\u003e\n\u003cli data-end=\"876\" data-start=\"818\" data-section-id=\"15ec7sa\"\u003eDesigned specifically for Mason-Lite fireplace systems\u003c\/li\u003e\n\u003cli data-end=\"938\" data-start=\"877\" data-section-id=\"1s5s1nf\"\u003eHeavy-duty steel construction for long-lasting durability\u003c\/li\u003e\n\u003cli data-end=\"985\" data-start=\"939\" data-section-id=\"33uvua\"\u003eProvides precise airflow and draft control\u003c\/li\u003e\n\u003cli data-end=\"1039\" data-start=\"986\" data-section-id=\"1aszxwo\"\u003eImproves combustion efficiency and heat retention\u003c\/li\u003e\n\u003cli data-end=\"1086\" data-start=\"1040\" data-section-id=\"1c5sgs2\"\u003eNo damper blocks required for installation\u003c\/li\u003e\n\u003cli data-end=\"1144\" data-start=\"1087\" data-section-id=\"bi2bcw\"\u003eEasy integration with compatible Mason-Lite fireboxes\u003c\/li\u003e\n\u003cli data-end=\"1208\" data-start=\"1145\" data-section-id=\"16nhthu\"\u003eIdeal for masonry fireplace builds and custom installations\u003c\/li\u003e\n\u003cli data-end=\"1260\" data-start=\"1209\" data-section-id=\"1dzh0mq\"\u003eSupports safe and efficient chimney performance\u003c\/li\u003e\n\u003cli data-end=\"1331\" data-start=\"1261\" data-section-id=\"pb69y7\"\u003eProfessional-grade fireplace accessory for builders and installers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMFP-SD63\u003c\/td\u003e\n\u003ctd\u003e63\" Steel Throat Damper for MFP63 \u003cem\u003e(Damper blocks not necessary)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e109 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMFP-SD49\u003c\/td\u003e\n\u003ctd\u003e49\" Steel Throat Damper for MFP49 \u003cem\u003e(Damper blocks not necessary)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e89 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMFP-SD44\u003c\/td\u003e\n\u003ctd\u003e44\" Steel Throat Damper for MFP44 \u003cem\u003e(Damper blocks not necessary)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e82 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMFP-SD39\u003c\/td\u003e\n\u003ctd\u003e39\" Steel Throat Damper for MFP39 \u003cem\u003e(Damper blocks not necessary)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e75 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMFP-SD33\u003c\/td\u003e\n\u003ctd\u003e33\" Steel Throat Damper for MFP33 \u003cem\u003e(Damper blocks not necessary)\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003e60 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Mason-Lite","offers":[{"title":"63\" Steel Throat Damper - for MFP63","offer_id":55058014208291,"sku":null,"price":1538.0,"currency_code":"USD","in_stock":true},{"title":"49\" Steel Throat Damper - for MFP49","offer_id":55058014241059,"sku":null,"price":726.0,"currency_code":"USD","in_stock":true},{"title":"44\" Steel Throat Damper - for MFP44","offer_id":55058014306595,"sku":null,"price":645.0,"currency_code":"USD","in_stock":true},{"title":"39\" Steel Throat Damper - for MFP39","offer_id":55058014339363,"sku":null,"price":575.0,"currency_code":"USD","in_stock":true},{"title":"33\" Steel Throat Damper - for MFP33","offer_id":55058014372131,"sku":null,"price":506.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/Mason-Lite-Steel-Throat-Dampers-MFP-SD-Mason-Lite-Dreamwood-Living-205787562.png?v=1780446510","url":"https:\/\/www.dreamwoodliving.com\/products\/mason-lite-steel-throat-dampers-mfp-sd","provider":"Dreamwood Living","version":"1.0","type":"link"}