{"product_id":"louver-damper-adjustable-18h-x-54w","title":"Louver Damper Adjustable 18H x 54W","description":"\u003cp\u003e20.5 In.H 56.5 In.W Drnbl Extrd Alu Combo Dmpr Louver Type Combination Frame Type Flanged Outside Height 17 1\/2 in Outside Width 53 1\/2 in Rough Opening Height 18 in Rough Opening Width 54 in Louver Maximum Intake 2 648 cfm Maximum Exhaust 3 787 cfm Flange Width 1 1\/2 in Free Area 2.4 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 51 3\/4 in Number of Blades 3\u003c\/p\u003e","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":40930540814420,"sku":"32T72A","price":873.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/3316\/7700\/files\/20UA33_AS01_c1bddd1c-b234-4375-917f-997520dbd07b.jpg?v=1742533030","url":"https:\/\/jahnda.com\/products\/louver-damper-adjustable-18h-x-54w","provider":"The Jahnda Group - Your Government Supply Provider","version":"1.0","type":"link"}