Come to Grainger for quality built, belt drive centrifugal inline blowers. These inline duct blowers provide an economical solution to many clean air applications, including intake, exhaust and return air. Shop here for a wide range of sizes, with wheel diameters ranging from 8-1/16" to 18-1/2". Offered both with and without drive packages, inline duct blowers with drive packages include motors ranging from 1/2 hp to 5 hp. Filter racks for your inline blowers are also available here. Shop Grainger today for belt drive centrifugal inline duct blowers for industrial and commercial applications.