{"product_id":"dayton-5efj3-roof-curb-fixed-12-in-h-50-1-2-in-o-d","title":"Dayton 5EFJ3 - Roof Curb, Fixed, 12 In H, 50 1\/2 In O D","description":"\u003cp\u003eRoof Curb, For Fan Base Size 52 in, Curb Height 12 in, Curb Inside Width 47 1\/2 in, Curb Outside Width 50 1\/2 in, Material Steel, Standards UL 705, For Use With 52 in square base, Adjustability Fixed, Ventilation Type Nonventilated, Application General Exhaust, Curb Inside Length 47.5, Curb Outside Length 50 1\/2 in, Curb Shape Square, Damper Tray Size 39 in x 39 in, Features Flashing Flange, One Welded Corner, Wood Nailer, Finish Galvanized, Flashing Flange Width 2 in\u003c\/p\u003e","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":43252745797726,"sku":"5EFJ3","price":612.57,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z-D0vxfo5oy.jpg?v=1788359780","url":"https:\/\/nationalboilersupply.com\/products\/dayton-5efj3-roof-curb-fixed-12-in-h-50-1-2-in-o-d","provider":"National Boiler Supply","version":"1.0","type":"link"}