{"product_id":"dayton-20ua93-louver-damper-adjustable-18-h-x-24-w","title":"Dayton 20UA93 - Louver Damper,Adjustable,18 H x 24 W","description":"\u003cp\u003e20.5 In.H 26.5 In.W Drnbl Extrd Alu Combo Dmpr, Louver Type Combination, Frame Type Flanged, Outside Height 17 1\/2 in, Outside Width 23 1\/2 in, Rough Opening Height 18 in, Rough Opening Width 24 in, Louver Maximum Intake 1,090 cfm, Maximum Exhaust 1,559 cfm, Flange Width 1 1\/2 in, Free Area 1 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 21 3\/4 in, Number of Blades 3\u003c\/p\u003e","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":43253311832158,"sku":"20UA93","price":584.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/Z-oJywkcpEx_529d9f98-f643-4d7c-bb62-08ac9f6970ee.jpg?v=1788371854","url":"https:\/\/nationalboilersupply.com\/products\/dayton-20ua93-louver-damper-adjustable-18-h-x-24-w","provider":"National Boiler Supply","version":"1.0","type":"link"}