{"product_id":"fantech-rsk4-damper-4-inches-backdraft-damper","title":"Fantech RSK4 Damper 4 inches Backdraft Damper","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe FANTECH RSK4 Damper is a circular backdraft damper with a 4-inch opening size. Constructed from 24 Gauge G90 steel with a galvanized finish, it features spring-loaded blades for reliable backdraft prevention. Designed for circular ducts, this damper ensures airflow moves in one direction, preventing backflow when the fan is off.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eManufactured from Galvanized Sheet Metal\u003c\/li\u003e\n  \u003cli\u003eSpring Loaded 2-Blades\u003c\/li\u003e\n  \u003cli\u003eCan be Mounted Vertically\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eThe FANTECH RSK4 damper prevents air from blowing back into the space when the fan is turned off.\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: FANTECH\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: RSK4,Damper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: Canada\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCatalog Number\u003c\/strong\u003e: RSK4,Damper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommodity Code Description Level 5\u003c\/strong\u003e: Backdraft Roof Dampers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCategory\u003c\/strong\u003e: HVAC\/R \u0026amp; Fans\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem\u003c\/strong\u003e: Damper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Circular\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOpening Size\u003c\/strong\u003e: 4 Inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverall Size\u003c\/strong\u003e: 3-1\/4 Inch Length\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: 24 Gauge G90 Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Galvanized\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCentral Rod Size\u003c\/strong\u003e: 3\/32 Inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Type\u003c\/strong\u003e: Vertical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Name\u003c\/strong\u003e: Fantech\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 411112\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number Additional\u003c\/strong\u003e: RSK-4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\/Model\u003c\/strong\u003e: RSK\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 40101504\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 650737690403\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial (Damper Blade)\u003c\/strong\u003e: Aluminum H14\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial (Central Rod)\u003c\/strong\u003e: Brass\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial (Torsion Spring)\u003c\/strong\u003e: Stainless Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial (Gasket)\u003c\/strong\u003e: EPBM Synthetic Rubber\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"FANTECH","offers":[{"title":"Default Title","offer_id":51207381647666,"sku":"RSK4,Damper","price":55.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/307132839.png?v=1779728387","url":"https:\/\/voomisupply.com\/products\/fantech-rsk4-damper-4-inches-backdraft-damper","provider":"Voomi Supply","version":"1.0","type":"link"}