{"product_id":"dayton-20ua20-louver-damper-adjustable-12-h-x-12-w","title":"Dayton 20UA20 - Louver Damper,Adjustable,12 H x 12 W","description":"\u003cp\u003e15 In.H 15 In.W Drnbl Extrd Alu Combo Dmpr, Louver Type Combination, Frame Type Flanged, Outside Height 11 1\/2 in, Outside Width 11 1\/2 in, Rough Opening Height 12 in, Rough Opening Width 12 in, Louver Maximum Intake 266 cfm, Maximum Exhaust 381 cfm, Flange Width 1 1\/2 in, Free Area 0.2 sq ft, Beginning Point of Water Penetration 1,118 fpm, Maximum Air Velocity 3,000 fpm, Blade Angle 45 Degrees , Material Aluminum, Inside Height 10 1\/2 in, Inside Width 9 3\/4 in, Number of Blades 2\u003c\/p\u003e","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":43258352664670,"sku":"20UA20","price":350.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z-oJytocpEx_36fbd425-add0-4a78-ae63-d02d82659afa.jpg?v=1788419055","url":"https:\/\/nationalboilersupply.com\/products\/dayton-20ua20-louver-damper-adjustable-12-h-x-12-w","provider":"National Boiler Supply","version":"1.0","type":"link"}