Graco Husky 515 15 GPM Polypropylene (1 2" BSP) Standard Pump, Polypropylene Center Section, S S Seats, S S Balls & PTFE Diaph pmax ad pressure washer hoses 01 microns and the final Size:70.86 inches 01 microns and the final stage brings the air to a 40F dew point removing all traces of moisture Built for you in both Standard and ProContractor Series Air Exhaust Port Size (in) 3 8 Air Exhaust Port Thread Gender Female Air Exhaust Port Thread Type NPT Air Inlet Size (in) 1 4 Air Inlet Thread Gender Female Air Inlet Thread Type NPT Application Industrial Ball Material 316 Stainless Steel Center Section Material Polypropylene Compressor Required Yes Diaphragm Compatible Material PTFE Diaphragm Material PTFE EPDM 2 Piece Fluid Inlet Size (in) 1 2 Fluid Inlet Thread Gender Female Fluid Inlet Thread Type BSPT Fluid Outlet Size (in) 1 2 Fluid Outlet Thread Gender Female Fluid Outlet Thread Type BSPT Fluid Section Material Polypropylene Manifold Configuration Center Port Manifold O Ring Material PTFE Material Polypropylene Maximum Air Consumption (SCFM) 28 Maximum Air Pressure (psi) 100 Maximum Cycle Rate (CPM) 400 Maximum Flow Rate (GPM) 15 Maximum Fluid Pressure (psi) 100 Maximum Operating Temperature (°F) 220 Maximum Solid Size (in) 0 The Husky 515 air operated double diaphragm pump features a stall free low pulsation air valve which provides a smooth and rapid changeover