{"product_id":"dayton-20ua49-intake-louver-fixed-drainable-42-h-x-30-w","title":"Dayton 20UA49 - Intake Louver,Fixed, Drainable,42 H x 30 W","description":"\u003cp\u003e45 In.H 33 In.W Drnbl Extrd Alu Intake Louver, Louver Type Stationary Blade, Frame Type Flanged, Frame Depth 4 in, Mounting Style Surface Mount, Outside Height 41 1\/2 in, Outside Width 29 1\/2 in, Rough Opening Height 42 in, Rough Opening Width 30 in, Louver Maximum Intake 4,652 cfm, Maximum Exhaust 6,652 cfm, Maximum Outside Width 32 1\/2 in, Minimum Outside Width 32 1\/2 in, Flange Width 1 1\/2 in, Free Area 4.6 sq ft, Beginning Point of Water Penetration 1,031 fpm, Maximum Air Velocity 3500 fpm\u003c\/p\u003e","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":43257965510750,"sku":"20UA49","price":696.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z-oJywkcpEx_fbd3dfc2-4178-4e10-bcf6-b117d27d6c3a.jpg?v=1788415223","url":"https:\/\/nationalboilersupply.com\/products\/dayton-20ua49-intake-louver-fixed-drainable-42-h-x-30-w","provider":"National Boiler Supply","version":"1.0","type":"link"}