{"product_id":"dayton-20ua79-intake-louver-fixed-drainable-18-h-x-60-w","title":"Dayton 20UA79 - Intake Louver,Fixed, Drainable,18 H x 60 W","description":"\u003cp\u003e21 In.H 63 In.W Drnbl Extrd Alu Intake Louver, Louver Type Stationary Blade, Frame Type Flanged, Frame Depth 4 in, Mounting Style Surface Mount, Outside Height 17 1\/2 in, Outside Width 59 1\/2 in, Rough Opening Height 18 in, Rough Opening Width 60 in, Louver Maximum Intake 3,928 cfm, Maximum Exhaust 5,617 cfm, Maximum Outside Width 62 1\/2 in, Minimum Outside Width 62 1\/2 in, Flange Width 1 1\/2 in, Free Area 3.5 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":43258352795742,"sku":"20UA79","price":735.74,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z-oJywkcpEx_baf5893b-9159-4727-835e-662405538669.jpg?v=1788419060","url":"https:\/\/nationalboilersupply.com\/products\/dayton-20ua79-intake-louver-fixed-drainable-18-h-x-60-w","provider":"National Boiler Supply","version":"1.0","type":"link"}