{"product_id":"dayton-3hhn1-backdraft-damper-horizontal-35-3-4-sq","title":"Dayton 3HHN1 - Backdraft Damper,Horizontal,35-3\/4 Sq","description":"\u003cp\u003e35.75 In.H-W 4.5 In.L Aluminum Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter 36 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 35 3\/4 in, Rough Opening Diameter 36 in, Rough Opening Shape Square, Fits Fan Diameter 36 in, For Duct Shape Square, Free Area 8.2 sq ft, Overall Width 35 3\/4 in, Frame Material Thickness 20 ga, Overall Length 4 1\/2 in, Frame Depth 2 in, Rough Opening Length 36 in, Maximum Pressure 1 in wc\u003c\/p\u003e","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":43260414853214,"sku":"3HHN1","price":182.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z0369ufo5oy_7bebc44e-d4e5-433c-bd5c-f7a30fbd7515.jpg?v=1788445682","url":"https:\/\/nationalboilersupply.com\/products\/dayton-3hhn1-backdraft-damper-horizontal-35-3-4-sq","provider":"National Boiler Supply","version":"1.0","type":"link"}