{"product_id":"louver-damper-adjustable-48h-x-48w","title":"Louver Damper Adjustable 48H x 48W","description":"\u003cp\u003e51 In.H 51 In.W Drnbl Extrd Alu Combo Dmpr Louver Type Combination Frame Type Flanged Outside Height 47 1\/2 in Outside Width 47 1\/2 in Rough Opening Height 48 in Rough Opening Width 48 in Louver Maximum Intake 8 014 cfm Maximum Exhaust 11 460 cfm Flange Width 1 1\/2 in Free Area 7.2 sq ft Beginning Point of Water Penetration 1 118 fpm Maximum Air Velocity 3000 fpm Blade Angle 45 Degrees  Material Aluminum Inside Height 46 1\/2 in Inside Width 45 3\/4 in Number of Blades 10\u003c\/p\u003e","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":40937331195988,"sku":"51S72A","price":1927.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/3316\/7700\/files\/20UA07_AS01_bd534f38-24bd-4059-93ac-2079cfdcf7ab.jpg?v=1742532934","url":"https:\/\/jahnda.com\/products\/louver-damper-adjustable-48h-x-48w","provider":"The Jahnda Group - Your Government Supply Provider","version":"1.0","type":"link"}