{"product_id":"dayton-20uc13-louver-damper-adjustable-24-h-x-42-w","title":"Dayton 20UC13 - Louver Damper,Adjustable,24 H x 42 W","description":"\u003cp\u003e26.5 In.H 44.5 In.W Drnbl Extrd Alu Combo Dmpr, Louver Type Combination, Frame Type Flanged, Outside Height 23 1\/2 in, Outside Width 41 1\/2 in, Rough Opening Height 24 in, Rough Opening Width 42 in, Louver Maximum Intake 3,085 cfm, Maximum Exhaust 4,411 cfm, Flange Width 1 1\/2 in, Free Area 2.8 sq ft, Beginning Point of Water Penetration 1,118 fpm, Maximum Air Velocity 3,000 fpm, Blade Angle 45 Degrees , Material Aluminum, Inside Height 22 1\/2 in, Inside Width 39 3\/4 in, Number of Blades 4\u003c\/p\u003e","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":43256207638622,"sku":"20UC13","price":809.86,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z-oJywkcpEx_47bb9e64-84da-4011-814e-0c5d1a5f6034.jpg?v=1788409654","url":"https:\/\/nationalboilersupply.com\/products\/dayton-20uc13-louver-damper-adjustable-24-h-x-42-w","provider":"National Boiler Supply","version":"1.0","type":"link"}