{"product_id":"dayton-20ua95-louver-damper-adjustable-42-h-x-24-w","title":"Dayton 20UA95 - Louver Damper,Adjustable,42 H x 24 W","description":"\u003cp\u003e44.5 In.H 26.5 In.W Drnbl Extrd Alu Combo Dmpr, Louver Type Combination, Frame Type Flanged, Outside Height 41 1\/2 in, Outside Width 23 1\/2 in, Rough Opening Height 42 in, Rough Opening Width 24 in, Louver Maximum Intake 3,169 cfm, Maximum Exhaust 4,532 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 40 1\/2 in, Inside Width 21 3\/4 in, Number of Blades 7\u003c\/p\u003e","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":43254636707934,"sku":"20UA95","price":1140.13,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z-oJywkcpEx_0f682012-e5bb-4e79-a412-407e85b4fd56.jpg?v=1788394837","url":"https:\/\/nationalboilersupply.com\/products\/dayton-20ua95-louver-damper-adjustable-42-h-x-24-w","provider":"National Boiler Supply","version":"1.0","type":"link"}