{"product_id":"dayton-3hht1-30-in-32-75-h-w-alu-universal-backdraft-dampr-31-in-x-31-in-aluminum","title":"Dayton 3HHT1 - 30 in 32.75\"H-W Alu Universal Backdraft Dampr, 31 in x 31 in, Aluminum","description":"\u003cp\u003e32.75 In.H-W Alu Universal Backdraft Dampr, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2250 fpm, Overall Height 32 3\/4 in, Rough Opening Shape Square, Fits Fan Diameter 30 in, Free Area 4.8 sq ft, Overall Width 32 3\/4 in, Frame Material Thickness 0.1 ga, Frame Depth 1 5\/8 in, Rough Opening Length 31 in, Maximum Pressure 1 in wc, Rough Opening Width 31 in, Blade Material Aluminum, Single Acting\/Double Acting Single Acting, Closure Type Spring, Flange Width 1 3\/8 in\u003c\/p\u003e","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":43260542615646,"sku":"3HHT1","price":246.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z1KCp-fo5oy_1711d24b-83ca-4f42-8937-f843ed612e6a.jpg?v=1788449625","url":"https:\/\/nationalboilersupply.com\/products\/dayton-3hht1-30-in-32-75-h-w-alu-universal-backdraft-dampr-31-in-x-31-in-aluminum","provider":"National Boiler Supply","version":"1.0","type":"link"}