Welcome to Our Official Store MENU Home About Feedback Contact Us Home About Feedback Contact Us Categories All Products Home Garden Business Industrial Clothing, Shoes Accessories Toys Hobbies Sporting Goods Health Beauty Collectibles Crafts Pet Supplies Jewelry Watches Baby Consumer Electronics Dolls Bears Books Magazines Computers/Tablets Networking Musical Instruments Gear Cameras Photo Movies TV Travel Music Sports Mem, Cards Fan Shop Art Cell Phones Accessories Everything Else Coins Paper Money Pottery Glass Usefull Link View Store Add to Favourites Ask Question View Feedback Why Choose Us ? 24 In. X 24 In. X 24 In. Duct Board Plenum Kit - R6.0 DESCRIPTION R-6.0 duct board plenum 4 sides and top included in kit Easily cut to size This Master Flow 24 in. x 24 in. x 24 in. Duct Board Plenum Kit - R6.0 lets you easily create an air mixing chamber for your furnace before your ventilation system accepts it. The duct board reduces ventilation system noise and reduces condensation for improved performance. Its high 6.0 R-value provides thermal efficiency. Kit includes 4 sides and top. Open bottom to attach to air system. Product is "knocked down" for shipping and must be assembled. 30 DAYS RETURN POLICY FAST DELIVERY FREE SHIPPING TRUSTED WARRANTY Payment options Secure payments through TOP CATEGORIES Home About Feedback Contact Us Newsletter Sign up to our newsletter for special deals SUBMIT Copyright ilthriftstore 2024. All Rights Reserved