The MRJ-SE Dust Collector has a powerful reverse jet system that provides automatic, continuous cleaning around the clock. It has rugged waterproof construction so it can be used as a primary collector where all material enters unit or as a secondary filter where all materials enter a cyclone prior to bag collector. All control valves, mechanisms and filter bags are housed in an accessible clean air section. Filter bags are removable from weatherproof enclosure and offer a maximum capacity of 88,000 CFM. Options include an exhauster, slide gate, rotary air lock or screw conveyor discharge. Murphy-Rodgers Inc. 2301 Belgrave Ave. Huntington Park, CA, 90255