{"product_id":"b09k4bz6tf","title":"Backdraft Damper – Inline Duct Connector – Round Plastic Check Valve for HVAC Exhaust \u0026 Ventilation Systems – One Way Airflow Vent Flap – Backflow Preventer with Gravity Flap (5 Inch)","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eCOMPATIBILITY – Male fit coupler is designed for standard round ventilation ducts used in bathroom fans, inline extractor fans, hydroponics setups, and general air movement systems.\u003c\/li\u003e\n\u003cli\u003eDURABLE PLASTIC CONSTRUCTION – Air Duct Connector is made from lightweight, corrosion-resistant PVC that performs reliably in temperatures from 5°F to 160°F, making it suitable for everyday ventilation use.\u003c\/li\u003e\n\u003cli\u003eBUILT-IN BACKDRAFT PROTECTION – Designed to allow airflow in one direction only, helping prevent reverse air movement, drafts, and unwanted odors entering the duct system.\u003c\/li\u003e\n\u003cli\u003eQUIET \u0026amp; LOW-RESISTANCE OPERATION – Balanced lightweight flap opens easily under airflow and closes gently when the fan stops, maintaining smooth, efficient ventilation without mechanical noise.\u003c\/li\u003e\n\u003cli\u003eEASY INSERT INSTALLATION – Simple push-in design allows quick installation inside ducting without complex tools, suitable for residential and commercial ventilation setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eOverview\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eSize : 5 Inch\u003c\/li\u003e\n\u003cli\u003eMaterial : Plastic\u003c\/li\u003e\n\u003cli\u003eBrand : LIRAST\u003c\/li\u003e\n\u003cli\u003eColor : White\u003c\/li\u003e\n\u003cli\u003eItem dimensions L x W x H : 4 x 4 x 2.4 inches\u003c\/li\u003e\n\u003cli\u003eConnector Type : Pipe connector\u003c\/li\u003e\n\u003cli\u003eExterior Finish : Plastic\u003c\/li\u003e\n\u003cli\u003eItem Weight : 0.07 kg\u003c\/li\u003e\n\u003cli\u003eNumber of Pieces : 1\u003c\/li\u003e\n\u003cli\u003eManufacturer : LIRAST\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"LIRAST","offers":[{"title":"Default Title","offer_id":48595339542769,"sku":"B09K4BZ6TF","price":21.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/9086\/9745\/files\/71zuaFv0wnL._AC_SX679.jpg?v=1786966787","url":"https:\/\/greenstoreus.com\/products\/b09k4bz6tf","provider":"Green Store","version":"1.0","type":"link"}