{"product_id":"dayton-20ua36-intake-louver-fixed-drainable-42-h-x-18-w","title":"Dayton 20UA36 - Intake Louver,Fixed, Drainable,42 H x 18 W","description":"\u003cp\u003e45 In.H 21 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 17 1\/2 in, Rough Opening Height 42 in, Rough Opening Width 18 in, Louver Maximum Intake 2,584 cfm, Maximum Exhaust 3,695 cfm, Maximum Outside Width 20 1\/2 in, Minimum Outside Width 20 1\/2 in, Flange Width 1 1\/2 in, Free Area 2.6 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":43254977495134,"sku":"20UA36","price":587.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z-oJywkcpEx_ac3d50e6-48e8-4e9b-8948-a4022a68336d.jpg?v=1788398782","url":"https:\/\/nationalboilersupply.com\/products\/dayton-20ua36-intake-louver-fixed-drainable-42-h-x-18-w","provider":"National Boiler Supply","version":"1.0","type":"link"}