{"product_id":"tdv-g8485662","title":"Louver Damper, Adjustable, 18H x 18W","description":"21 In.H 21 In.W Drnbl Extrd Alu Combo Dmpr, Louver Type Combination, Frame Type Flanged, Outside Height 17 1\/2 in, Outside Width 17 1\/2 in, Rough Opening Height 18 in, Rough Opening Width 18 in, Louver Maximum Intake 779 cfm, Maximum Exhaust 1,114 cfm, Flange Width 1 1\/2 in, Free Area 0.7 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 15 3\/4 in, Number of Blades 3","brand":"DAYTON","offers":[{"title":"Default Title","offer_id":45270543827079,"sku":"G8485662","price":517.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/5424\/4231\/files\/Z-oJytocpEx_6a7f049d-f8d6-4c1c-b3ff-1a72881f70f1.jpg?v=1784331750","url":"https:\/\/checkout.towerdvbe.com\/products\/tdv-g8485662","provider":"Tower Sales and Consulting","version":"1.0","type":"link"}