Industrial Dry Vacuum Cleaner Professional industrial vacuum cleaner, suitable for continuous long time operate. Strong Vacuum pressure. Diploid filtration system for environmental prorection 5meter extenden flexible hose for easy operation and convenience. Low maintenance cost. Available in long-distance remote contrl. With Dust Bag, no second pollution formed. With pressure gage. With dust easy clean system, and Pocket Filter can be washable. Motor Power 4000W,Input Flow Rate 320m3/h, Max. Vacuum 30kpa, Voltage 380V, 50Hz/60Hz