Greenheck has introduced six new sizes for its centrifugal backward inclined utility fan model SWB for low-cfm, high-pressure applications. The SWB 106, 107, 108, 206, 207 and 208 expand performance capabilities down to 125 cfm with pressure capabilities up to 5 inches w.g. The model SWB line now offers 28 sizes with capacities up to 23,000 cfm. Greenheck’s SWB is designed for ducted exhaust, supply and return air applications, including commercial kitchen, fume hoods, and emergency smoke control.

Greenheck, P.O. Box 410, Schofield, WI 54476-0410, (715) 359-6171; fax (715) 355-2399; www.greenheck.com