{"product_id":"repa-market-4-inch-backdraft-damper-galvanized-steel-draft-blockerone-way-b0822vqmhm","title":"Repa Market 4 Inch Backdraft Damper – Galvanized Steel Draft Blocker\/One-Way","description":"\u003carticle\u003e\u003csection\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eRepa Market 4 Inch Backdraft Damper – Galvanized Steel Draft Blocker\/One-Way Airflow Vent Stopper\/HVAC Exhaust Dryer Duct Connector – Inline Spring-Loaded Backflow Preventer for Secure Ventilation\u003c\/strong\u003e is a Ducting product. It features dimensions – fits into ø4 inch round ducts; insertion neck.\u003c\/p\u003e\u003c\/section\u003e\u003csection\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDIMENSIONS – Fits into Ø4 Inch round ducts; Insertion neck diameter: 3.89 inch. Total width: 3.46 Inch. Precision-engineered for a tight internal fit inside metal ventilation pipes for reliable, airtight performance.\u003c\/li\u003e\n\u003cli\u003eAUTOMATIC BACKDRAFT CONTROL – 4 Inch inline draft stopper features dual spring-loaded flaps that open only in the outflow direction, stopping reverse airflow, cold air, odors, and unwanted drafts while keeping HVAC duct systems efficient and quiet.\u003c\/li\u003e\n\u003cli\u003eDURABLE GALVANIZED STEEL – Heavy-duty galvanized steel backflow damper with smooth spring action and foam seal prevents rattling and air leakage. Built to withstand high temperatures, moisture, and continuous use in dryer vents, kitchen exhausts, HVAC ductwork, and heating systems.\u003c\/li\u003e\n\u003cli\u003eEASY INSTALLATION – Simply insert the draft blocker into round ducting until the stop edge; fits Ø4 Inch metal ventilation pipes for a secure seal. Can be installed horizontally or vertically. Horizontal setups require the spring to be positioned sideways for optimal one-way airflow in your duct system.\u003c\/li\u003e\n\u003cli\u003eWIDE HVAC APPLICATIONS – Designed as a backdraft shutter for air conditioners, dryers, cooker hoods, bathroom exhausts, inline ventilation fans, range hoods, and heating ducts. Works with rigid or flexible metal ducting and spiral pipe connectors, ensuring efficient backflow prevention in residential and commercial ventilation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection\u003e\u003ch2\u003eWhy Choose the Repa Market 4 Inch Backdraft Damper – Galvanized Steel Draft Blocker\/One-Way Airflow Vent Stopper\/HVAC Exhaust Dryer Duct Connector – Inline Spring-Loaded Backflow Preventer for Secure Ventilation\u003c\/h2\u003e\n\u003cp\u003eThe Repa Market 4 Inch Backdraft Damper – Galvanized Steel Draft Blocker\/One-Way Airflow Vent Stopper\/HVAC Exhaust Dryer Duct Connector – Inline Spring-Loaded Backflow Preventer for Secure Ventilation offers dimensions – fits into ø4 inch round ducts; and automatic backdraft control – 4 inch inline draft. These features make the Repa Market 4 Inch Backdraft Damper – Galvanized Steel Draft Blocker\/One-Way Airflow Vent Stopper\/HVAC Exhaust Dryer Duct Connector – Inline Spring-Loaded Backflow Preventer for Secure Ventilation a strong option in the Ducting category.\u003c\/p\u003e\u003c\/section\u003e\u003csection\u003e\u003ch2\u003eBest For\u003c\/h2\u003e\n\u003cp\u003eThe Repa Market 4 Inch Backdraft Damper – Galvanized Steel Draft Blocker\/One-Way Airflow Vent Stopper\/HVAC Exhaust Dryer Duct Connector – Inline Spring-Loaded Backflow Preventer for Secure Ventilation is best suited for everyday ducting needs.\u003c\/p\u003e\u003c\/section\u003e\u003csection\u003e\u003ch2\u003eQuick Summary\u003c\/h2\u003e\n\u003cp\u003eThe Repa Market 4 Inch Backdraft Damper – Galvanized Steel Draft Blocker\/One-Way Airflow Vent Stopper\/HVAC Exhaust Dryer Duct Connector – Inline Spring-Loaded Backflow Preventer for Secure Ventilation is a Ducting product by RepaMarket. Color: Silver. Material: Galvanized Steel. Brand: Repa Market. Product Dimensions: 4\"L x 3.46\"W x 4\"Th. Number of Pieces: 1. Price: $24.67.\u003c\/p\u003e\u003c\/section\u003e\u003csection\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eGalvanized Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eRepa Market\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Dimensions\u003c\/td\u003e\n\u003ctd\u003e4\"L x 3.46\"W x 4\"Th\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Pieces\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/section\u003e\u003c\/article\u003e","brand":"RepaMarket","offers":[{"title":"Default Title","offer_id":43471348400246,"sku":"SPH-B0822VQMHM","price":24.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/1570\/4438\/files\/71PnvUBtxOL._AC_SX679.jpg?v=1780486008","url":"https:\/\/brightnestappliances.com\/products\/repa-market-4-inch-backdraft-damper-galvanized-steel-draft-blockerone-way-b0822vqmhm","provider":"BrightNest Appliances","version":"1.0","type":"link"}