{"title":"Backdraft Damper","description":"A backdraft damper is a critical component for preventing reverse airflow and maintaining energy efficiency in HVAC systems. HONGUAN(Hon\u0026amp;Guan) backdraft dampers are designed for durability and performance, ensuring unidirectional airflow and protecting ventilation systems from unwanted backflow. Ideal for residential, commercial, and industrial applications.","products":[{"product_id":"honguan-4-inch-backdraft-damper-one-way-airflow-duct-damper-4-inch-ducting-insert-backflow-preventer-duct-draft-blocker","title":"4 Inch Backdraft Damper[Upgraded], One-Way Airflow Duct Damper, Ducting Insert Backflow Preventer Duct Draft Blocker","description":"\u003cp\u003e\u003cimg class=\"alignnone size-full wp-image-20347\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/10-Inch-Backdraft-Damper4_1.webp?v=1753604684\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-20349\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/10-Inch-Backdraft-Damper6_1.webp?v=1753604685\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-20351\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/10-Inch-Duct-Backdraft-Damper10_1.webp?v=1753604686\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-20353\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/10-Inch-Duct-Backdraft-Damper11_1.webp?v=1753604688\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-20355\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/10-Inch-Duct-Backdraft-Damper12_1.webp?v=1753604689\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-10756\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/wp-migrated-931bfc7f75f1930a39a97760.webp?v=1788776610\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003c\/p\u003e\n","brand":"Hon\u0026Guan","offers":[{"title":"Default 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wp-image-20351\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/10-Inch-Duct-Backdraft-Damper10_1.webp?v=1753604686\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-20353\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/10-Inch-Duct-Backdraft-Damper11_1.webp?v=1753604688\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-20355\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/10-Inch-Duct-Backdraft-Damper12_1.webp?v=1753604689\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-10747\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/wp-migrated-931bfc7f75f1930a39a97760.webp?v=1788776610\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003c\/p\u003e\n","brand":"Hon\u0026Guan","offers":[{"title":"Default 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wp-image-20351\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/10-Inch-Duct-Backdraft-Damper10_1.webp?v=1753604686\" alt=\"\" width=\"1464\" height=\"600\"\u003e \u003cimg class=\"alignnone size-full wp-image-20353\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/10-Inch-Duct-Backdraft-Damper11_1.webp?v=1753604688\" alt=\"\" width=\"1464\" height=\"600\"\u003e \u003cimg class=\"alignnone size-full wp-image-20355\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/10-Inch-Duct-Backdraft-Damper12_1.webp?v=1753604689\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-10739\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/wp-migrated-b0ccbb260b27882a16da86b1.webp?v=1788776637\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003c\/p\u003e\n","brand":"Hon\u0026Guan","offers":[{"title":"Default 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wp-image-18685\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/6-Inch-Backdraft-Damper_10.webp?v=1753604694\" alt=\"\" width=\"1464\" height=\"600\"\u003e \u003cimg class=\"alignnone size-full wp-image-18687\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/6-Inch-Backdraft-Damper_11.webp?v=1753604695\" alt=\"\" width=\"1464\" height=\"600\"\u003e \u003cimg class=\"alignnone size-full wp-image-18689\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/6-Inch-Backdraft-Damper_12.webp?v=1753604697\" alt=\"\" width=\"1464\" height=\"600\"\u003e \u003cimg class=\"alignnone size-full wp-image-18691\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/6-Inch-Backdraft-Damper_13.webp?v=1753604698\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003c\/p\u003e\n","brand":"Hon\u0026Guan","offers":[{"title":"Default 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height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-12507\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/Duct-Damper-4-Inch_Detail_3.webp?v=1753604798\" alt=\"\" width=\"1464\" height=\"600\"\u003e \u003cimg class=\"alignnone size-full wp-image-12508\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/Duct-Damper-4-Inch_Detail_4.webp?v=1753604799\" alt=\"\" width=\"1464\" height=\"600\"\u003e \u003cimg class=\"alignnone size-full wp-image-12509\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/Duct-Damper-4-Inch_Detail_5.webp?v=1753604800\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-12512\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/Duct-Damper-4-Inch_Detail_6.webp?v=1753604801\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003c\/p\u003e\n","brand":"Hon\u0026Guan","offers":[{"title":"Default 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class=\"alignnone size-full wp-image-13784\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/4-inch-2pcs-9.webp?v=1753604813\" alt=\"\" width=\"1464\" height=\"600\"\u003e \u003cimg class=\"alignnone size-full wp-image-13785\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/4-inch-2pcs-10.webp?v=1753604814\" alt=\"\" width=\"1464\" height=\"600\"\u003e \u003cimg class=\"alignnone size-full wp-image-13786\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/4-inch-2pcs-8.webp?v=1753604815\" alt=\"\" width=\"1464\" height=\"600\"\u003e \u003cimg class=\"alignnone size-full wp-image-13787\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/4-inch-2pcs-12.webp?v=1753604816\" alt=\"\" width=\"1464\" height=\"600\"\u003e \u003cimg class=\"alignnone size-full wp-image-13788\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/4-inch-2pcs-13.webp?v=1753604817\" alt=\"\" width=\"1464\" height=\"600\"\u003e \u003cimg class=\"alignnone size-full wp-image-13789\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/4-inch-2pcs-11.webp?v=1753604818\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003c\/p\u003e\n","brand":"Hon\u0026Guan","offers":[{"title":"Default Title","offer_id":45246321852606,"sku":"ZH459","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/4-inch-2pcs-01.webp?v=1753780655"},{"product_id":"honguan-150-mm-connector-with-backflow-flap-for-ventilation-system-check-valve-connector-pipe-connector-white","title":"6 Inch Backdraft Damper, Stop Backdraft, Bugs \u0026 Fire Hazards, for Ventilation System","description":"\u003cp\u003e\u003cimg class=\"size-full wp-image-10926 aligncenter\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/150-mm-Connector_Detail_1.webp?v=1753604840\" alt=\"\" width=\"970\" height=\"600\"\u003e\u003cimg class=\"size-full wp-image-10928 aligncenter\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/150-mm-Connector_Detail_3.webp?v=1753604841\" alt=\"\" width=\"970\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-10929 aligncenter\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/150-mm-Connector_Detail_4.webp?v=1753604841\" alt=\"\" width=\"1464\" height=\"625\"\u003e\u003c\/p\u003e\n","brand":"Hon\u0026Guan","offers":[{"title":"Default Title","offer_id":45246322409662,"sku":"PH137","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/150-mm-Connector_1-1.webp?v=1753780900"},{"product_id":"6-inch-backdraft-damper-with-aluminum-foil-tape-for-range-hoods-grow-tents","title":"6 Inch Backdraft Damper with Aluminum Foil Tape for Range Hoods \u0026 Grow Tents","description":"\u003cp\u003e\u003cimg class=\"alignnone size-full wp-image-12510\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/Duct-Damper-4-Inch_Detail_1.webp?v=1753604796\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-12511\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/Duct-Damper-4-Inch_Detail_2.webp?v=1753604796\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-12507\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/Duct-Damper-4-Inch_Detail_3.webp?v=1753604798\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-12508\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/Duct-Damper-4-Inch_Detail_4.webp?v=1753604799\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-12509\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/Duct-Damper-4-Inch_Detail_5.webp?v=1753604800\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-12512\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/Duct-Damper-4-Inch_Detail_6.webp?v=1753604801\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003c\/p\u003e\n","brand":"Hon\u0026Guan","offers":[{"title":"Default Title","offer_id":45246322737342,"sku":"ZH439","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/SKU-01-6in-with-tape.webp?v=1753781161"},{"product_id":"8-inch-backdraft-damper-with-aluminum-foil-tape-for-range-hoods-grow-tents","title":"8 Inch Backdraft Damper with Aluminum Foil Tape for Range Hoods \u0026 Grow Tents","description":"\u003cp\u003e\u003cimg class=\"alignnone size-full wp-image-12510\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/Duct-Damper-4-Inch_Detail_1.webp?v=1753604796\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-12511\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/Duct-Damper-4-Inch_Detail_2.webp?v=1753604796\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-12507\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/Duct-Damper-4-Inch_Detail_3.webp?v=1753604798\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-12508\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/Duct-Damper-4-Inch_Detail_4.webp?v=1753604799\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-12509\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/Duct-Damper-4-Inch_Detail_5.webp?v=1753604800\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003cimg class=\"alignnone size-full wp-image-12512\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/Duct-Damper-4-Inch_Detail_6.webp?v=1753604801\" alt=\"\" width=\"1464\" height=\"600\"\u003e\u003c\/p\u003e\n","brand":"Hon\u0026Guan","offers":[{"title":"Default Title","offer_id":45246322966718,"sku":"ZH440","price":36.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0087\/6943\/7773\/files\/SKU-01-6in-with-tape_47b4ec8e-bf0d-4a87-af48-f50261e2a1d0.webp?v=1753781275"}],"url":"https:\/\/honguan.com\/collections\/backdraft-damper.oembed","provider":"Hon\u0026Guan","version":"1.0","type":"link"}