{"product_id":"dayton-4ha11-30-in-35-7-8-h-w-aluminum-ceiling-truss-damper-28-3-4-in-x-33-7-8-in-aluminum","title":"Dayton 4HA11 - 30 in 35 7\/8\"H-W Aluminum Ceiling Truss Damper, 28-3\/4 in x 33-7\/8 in, Aluminum","description":"\u003cp\u003e35 7\/8 In.H-W Aluminum Ceiling Truss Damper, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 1500 fpm, Overall Height 30 3\/4 in, Rough Opening Shape Rectangular, Fits Fan Diameter 30 in, Free Area 5.4 sq ft, Overall Width 35 7\/8 in, Frame Material Thickness 0.1 in, Frame Depth 1 5\/8 in, Rough Opening Length 28 3\/4 in, Maximum Pressure 1 in wc, Rough Opening Width 33.9 in, Blade Material Aluminum, Closure Type Gravity, Flange Width 1 5\/8 in\u003c\/p\u003e","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":43252827652190,"sku":"4HA11","price":156.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z0_wptfo5oy_51df8622-2b6a-4010-b5f3-7298e5b3316e.jpg?v=1788361576","url":"https:\/\/nationalboilersupply.com\/products\/dayton-4ha11-30-in-35-7-8-h-w-aluminum-ceiling-truss-damper-28-3-4-in-x-33-7-8-in-aluminum","provider":"National Boiler Supply","version":"1.0","type":"link"}