Diaphragm Pump, Check Seat Material Buna-N, Diaphragm Material Buna-N, Flow Rate (Maximum) 40 gpm, Media Discharge Connection Size 2 in, Media Discharge Connection Type NPT, Media Intake Connection Size 2 in, Media Intake Connection Type NPT, Operating Pressure (Maximum) 5 psi, Priming Self-Priming, Wetted Housing Material Aluminum, Duty Cycle Continuous.