Peristaltic Metering Pump Max Feed Rate 40 GPD Max Pressure 100 PSI Suction Lift 25 Ft Turn Down Ratio 20 1 Volts 115 Output Control Feed Rate Control Motor Power 1/30 HP Motor RPM 44 Mounting Vertical/Horizontal Position Max Flow 40 GPD Tubing Material Santoprene Self-Priming De-Gassing Automatic Allows Trouble-Free Metering of Hypochlorite Peroxide and Other Gas-Producing Solutions. Can run dry without damaging pump