{"product_id":"louver-damper-adjustable-18h-x-42w","title":"Louver Damper Adjustable 18H x 42W","description":"\u003cp\u003e20.5 In.H 44.5 In.W Drnbl Extrd Alu Combo Dmpr Louver Type Combination Frame Type Flanged Outside Height 17 1\/2 in Outside Width 41 1\/2 in Rough Opening Height 18 in Rough Opening Width 42 in Louver Maximum Intake 2 025 cfm Maximum Exhaust 2 896 cfm Flange Width 1 1\/2 in Free Area 1.8 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 39 3\/4 in Number of Blades 3\u003c\/p\u003e","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":40937340305492,"sku":"23T72A","price":762.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/3316\/7700\/files\/20UA33_AS01_ebb1c9ba-f510-4f7e-8118-18bcc01aaa26.jpg?v=1742533018","url":"https:\/\/jahnda.com\/products\/louver-damper-adjustable-18h-x-42w","provider":"The Jahnda Group - Your Government Supply Provider","version":"1.0","type":"link"}