Personnel Cleaning Station, Vacuum Power Source Pneumatic, Vacuum Filtration Type Standard, Filter Efficiency 77 Percent at 0.8 microns, Vacuum Pickup Type Wet/Dry, Vacuum Air Flow 73 cfm, Static Pressure 77 in, Sound Level 88 dB, Tank Material Steel, Tank Size 5.5 gal, Tank Dry Capacity 5 1/2 gal, Tank Wet Capacity 5.5 gal, Vacuum Collection Type Bagless, Vacuum Hose Dia. 1 1/4 in, Vacuum Hose Length 5 ft, Minimum Air Compressor 4.7 hp, Air Hose Dia. 3/4 in, Air Hose Length 20 ft WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)