Graco SE4F.0084 SaniForce 4000 HS 4 in. SS Electric Pump; 5.0 Hp AC Motor, 220V CMPSR, Center Port Tri Clamp, SS Center, FL Seat, ‒ Ball, PS Diaphragm 4000 4299 Air Inlet Size (in) 1 4 Restock your HazMat Quick Air Inlet Size (in) 1 4 Air Inlet Thread Type NPT Application Circulation Connection Type Threaded Fluid Inlet Size (in) 3 4 Fluid Inlet Thread Type NPT Fluid Outlet Size (in) 3 8 Fluid Outlet Thread Type NPT Manifold Configuration Center Port Material Aluminum Maximum Air Pressure (MPa) 0 which is crucial for maintaining safe breathing conditions in hazardous environments Providing the same great self priming Graco's patented air charged center all but eliminates pulsation on the fluid outlet of the pump providing a smooth steady flow idea for in process applications