{"product_id":"steel-16-21-5-w-12-h-adj-roof-curb","title":"Steel 16-21.5 W 12 H Adj Roof Curb","description":"\u003cp\u003eRoof Curb For Fan Base Size 16 in to 21 1\/2 in Curb Height 12 in Curb Inside Width 10 1\/2 in to 19 in Curb Outside Width 14 1\/2 in to 23 in Material Steel Standards UL 705 For Use With 16 in to 21 1\/2 in Square Base Adjustability Adjustable Ventilation Type Nonventilated Application General Exhaust Curb Shape Square Damper Tray Size 12 in to 19 in Features Flashing Flange Finish Galvanized Flashing Flange Width 4 in For Fan Type Downblast Fans Filtered Supply Fans Upblast Fans\u003c\/p\u003e","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":40940509266004,"sku":"71E07A","price":578.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/3316\/7700\/files\/2ZV82_AS01.jpg?v=1743500952","url":"https:\/\/jahnda.com\/products\/steel-16-21-5-w-12-h-adj-roof-curb","provider":"The Jahnda Group - Your Government Supply Provider","version":"1.0","type":"link"}