Dayton 20-inch duct blowers are ideal for clean air supply in industrial and commercial spaces. They are used in intake & exhaust systems, make-up air systems and return systems and are made from durable galvanised steel. They further have aluminium constructed backward inclined wheels for extremely low sound operations. They offer re-greaseable pillow block bearings for smooth service and bearing & motor covers for prolonged service life. These centrifugal duct blowers feature collars to simplify duct connections and access panels for quick maintenance. Choose from a wide range of duct blowers, available in 3/4, 1, 1.5 and 2 HP power ratings on Raptor Supplies.