The GAS20-17AH Wet, Dry Dust Extractor delivers the high-performance cubic-feet-of-air-per-minute (CFM) rate for maximum dust extraction for heavy-duty concrete construction applications such as concrete cutting and surface grinding. The dust extractor’s powerful 17.5 Amp motor delivers a maximum 300 CFM, and it is designed to help users move toward compliance with the OSHA Silica Table 1 dust compliance regulation. The automatic on-board filter-cleaning system activates every 15 seconds to help maintain maximum suction power. The included HEPA filter captures 99.97% of particles at 0.3 microns and larger. This unit includes a 16 Ft. 35mm anti-static hose and 27 Ft. power cord with standard 20 Amp plug.