Drum-Top Vacuum Head Vacuum Power Source Pneumatic Number of Power Heads 2 Vacuum Pickup Type Wet/Dry Vacuum Filtration Type Standard For Drum Capacity 55 gal Vacuum Air Flow 160 cfm Static Pressure 239 in Sound Level 90 dB Vacuum Hose Dia 2 in Vacuum Hose Length 15 ft Minimum Air Compressor 25 hp Air Hose Dia 1/2 in Inlet Air Flow 100 cfm Inlet Air Pressure 90 psi Inlet Connection Gender Female Air Inlet 3/4 in FNPT Inlet Connection Type Threaded