Drum-Top Vacuum Head, Vacuum Power Source Pneumatic, Number of Power Heads 1, Vacuum Pickup Type Wet/Dry, Vacuum Filtration Type Standard, For Drum Capacity 55 gal, Vacuum Air Flow 89 cfm, Static Pressure 185 in, Sound Level 102 dB, Vacuum Hose Dia. 1 1/2 in, Minimum Air Compressor 15 hp, Air Hose Dia. 3/4 in, Inlet Air Flow 68 cfm, Inlet Air Pressure 100 psi, Inlet Connection Gender Female, Air Inlet 1/2 in FNPT, Inlet Connection Type Threaded, Includes 55 gal Vacuum Generating Head