Drum-Top Vacuum Head Vacuum Power Source Pneumatic Number of Power Heads 1 Vacuum Pickup Type Wet/Dry Vacuum Filtration Type HEPA For Drum Capacity 10 gal Vacuum Air Flow 56 cfm Static Pressure 100 in Sound Level 93 dB Vacuum Hose Dia 1 1/4 in Vacuum Hose Length 10 ft Minimum Air Compressor 4.4 hp Inlet Air Flow 20 cfm Inlet Air Pressure 100 psi Inlet Connection Gender Female Air Inlet 3/8 in FNPT Inlet Connection Type Threaded Standards OSHA