Diffuser accessories from Grainger include parts to help you complete your diffuser installation. Find butterfly dampers and snap on collars in a variety of sizes, backdraft reducers, duct start and take off collars in various sizes, a selection of duct access doors and more. When you need diffuser accessories, shop for them at Grainger.
Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More