Features: * Maximum working pressure 10,000 PSI * High strength aluminum reservior is lightweight and corrosion resistant * Suggested air pressure 90-175 PSI * Pressure relief valve for overload protection * Three-positions provide cylinder advance, hold, or retract operation * Air exhaust muffler for quieter operation Specifications: * Usable Capacity: 91.5 Cubic Inches * Rated Pressure: 10,000 PSI * Output Flow Rate No Load: 66 Cubic Inches Per Minute * Output Flow Rate with Load: 11 Cubic Inches Per Minute * Input Air Pressure: 110-175 PSI * Output Port Threads: 3/8-Inch - 18 NPTF * Input Port Threads: 1/4-Inch 0 18 NPT * Weight (with Fluid): 18-Pounds What"s In The Box: * Porto-Power B65425 10,000 PSI Air Foot Operated Pump 91 Cubic Inch Reservoir