Sternpulse downsized four-cartridge dust collector features high efficiency washable spun polyester filter cartridge in a vertical arrangement. Energy efficiency is achieved by a top-mounted blower and solid-state, digital display, intelligent pulse controller, which cleans on demand and reduces compressed air consumption. Capacities range from 1500-11000 CFM for chemical and other applications. It is available in stainless steel or painted steel construction. Sternvent Co. Inc. 253 W. Fort Lee Rd. Bogota, NJ, 07603