{"product_id":"louver-damper-adjustable-18h-x-48w","title":"Louver Damper Adjustable 18H x 48W","description":"\u003cp\u003e20.5 In.H 50.5 In.W Drnbl Extrd Alu Combo Dmpr Louver Type Combination Frame Type Flanged Outside Height 17 1\/2 in Outside Width 47 1\/2 in Rough Opening Height 18 in Rough Opening Width 48 in Louver Maximum Intake 2 337 cfm Maximum Exhaust 3 341 cfm Flange Width 1 1\/2 in Free Area 2.1 sq ft Beginning Point of Water Penetration 1 118 fpm Maximum Air Velocity 3 000 fpm Blade Angle 45 Degrees  Material Aluminum Inside Height 16 1\/2 in Inside Width 45 3\/4 in Number of Blades 3\u003c\/p\u003e","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":40930537635924,"sku":"26T72A","price":887.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/3316\/7700\/files\/20UA33_AS01_3d26e3a3-cdc9-4485-bf20-78406244a135.jpg?v=1742533024","url":"https:\/\/jahnda.com\/products\/louver-damper-adjustable-18h-x-48w","provider":"The Jahnda Group - Your Government Supply Provider","version":"1.0","type":"link"}