Continental Fan has introduced this new UBV up-blast roof ventilator. The company says it provides aerodynamically efficient performance with airflow capacities to 61,000 cfm. It is constructed with a heavy duty welded steel base, galvanized butterfly exhaust damper section and a spark-resistant cast-aluminum airfoil axial impeller. The UBV belt drive upblast roof ventilator has its motor located outside the airstream, and is ideal for hot or contaminated airstreams. The UBV is suitable for general ventilation applications or to exhaust heat or smoke fumes. The ventilator also features extended lube lines and a air dried enamel paint finish. It is available in diameters from 18 inches to 60 inches.

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