Piston Vibrator, Housing Material Cast Iron, Outlet Connection Size 1/4 in, Outlet Connection Type BSPP, Air Flow Rate 7.1 cfm @ 87 psi, Maximum Force 397 lbf, Inlet Connection Size 1/4 in, Inlet Connection Type NPT, Maximum Vibration Speed 3,500 vpm, Maximum Bin Weight Capacity 3,970 lb, Overall Height 3.62 in, Overall Length 4.52 in, Overall Width 2.75 in, Sound Level 91 dBA, Duty Cycle Continuous, Pneumatic Vibrator Type Piston, Force @ PSI 397 lbf @ 87 psi, Mount Type Bolt-On