Diaphragm Pump, Operating Pressure (Maximum) 45 psi, Diaphragm Chamber Design 5, Diaphragm Material Santoprene, Check Valve Material Viton, Discharge Connection Size 1/2 in, Discharge Connection Type FNPT, Flow Rate (Maximum) 3.6 gpm, Housing Material Polypropylene, Intake Connection Size 1/2 in, Intake Connection Type FNPT, Nameplate Voltage 12V DC, Priming Self-Priming, Pump Operation Type Electric, Pressure Switch Yes, Standards NSF Certified, Flow Rate @ 20 psi 3 gpm, Current 15 A. This item has been restricted from sale in the following state (s): []