Extremely quiet, 2-station extraction unit with a high-volume flow of 3,300 liters/minute. Intelligent, independent control of 2 separate pinch valves dedicates power where and when it is needed (compressed air connection required). Features a guaranteed 1000-hour, quick-change motor; Class M 2-filter system; a specialized Class M dust bag; and an LED multifunctional display screen. Optional HEPA filter available and sold separately. Includes a 4-meter suction hose and 4 PVC end bushings. 3-year warranty included. Dimensions: 23.3"H x 8.8"W x 23"D