Hypro D70 Diaphragm Pump - 9910-D70 Max. Flow 19 GPM , Max. Pressure 290 PSI , Max. Rated Speed 550 RPM , Max, Fluid Temp: 140 deg. F 1-1/4" hose barb inlet, 1" hose barb outlet ports Pulsation dampener included Oil changes easy without breaking down the pump Self-priming operation ; Weighs 22 lbs.