PART OF BOSCH PRO+GUARD: Helps users move toward osha silica dust compliance IMPRESSIVE 300-CFM AIR-FLOW CAPABILITY: Features high-performance cfm for maximum dust extraction in heavy-duty concrete construction applications POWERFUL 17.5 AMP MOTOR: Delivers strong extraction performance for extreme commercial applications AUTOMATIC FILTER CLEANING: Cleans filter every 15 seconds for consistent suction power THREE-LAYER HEAVY-DUTY FILTER BAG: Helps protect the filter from abrasive materials and provides the optimal containment of dry dust and debris WET/DRY OPERATION WITH WATER-LEVEL SENSOR AND DRAIN HOSE: Sensors automatically prevent overfilling and hose provides easy drainage HEPA FILTER: Captures 99.97% of particles at 0.3 microns or larger WHEELED METAL FRAME WITH DUMPING MECHANISM: Offers easy transporting, stability and emptying convenience METAL CASTORS: Built to withstand the demands of the jobsite FOLD DOWN PUSH HANDLE: Provides jobsite mobility and convenient storage