On-Demand General Purpose Diaphragm Pump, Operating Pressure (Maximum) 45 psi, Diaphragm Chamber Design 4, Diaphragm Material EPDM, Check Valve Material Viton, Discharge Connection Size 1/2 in, Discharge Connection Type Barbed, Flow Rate (Maximum) 3 gpm, Housing Material Polypropylene, Intake Connection Size 1/2 in, Intake Connection Type Barbed, Nameplate Voltage 120V AC, Priming Self-Priming, Pressure Switch Yes, Standards -, Duty Cycle Continuous, Current 1.5 A, Includes -