Continental Fan’s UDVL up-blast roof ventilators are designed to provide performance with a low silhouette. Each ventilator is constructed with a heavy-duty welded steel base, galvanized butterfly damper section and a spark-resistant cast aluminum airfoil axial impeller. The UDVL direct-drive low silhouette upblast roof ventilator requires no belts or pulleys, and is ideal where little or no maintenance is required. The fan is available in diameters from 18 inches through 60 inches, with capacities ranging to 54,000 cubic feet per minute. The ventilator is ideal for applications involving general ventilation and exhaust or smoke fumes.

Continental Fan Manufacturing Inc., 203 Eggert Road, Buffalo, NY 14215; (716) 842-0670; fax (716) 842-0611; www.continentalfan.com.