Double Diaphragm Pump, Air Consumption (Maximum) 50 scfm, Air Intake Connection Size 3/8 in, Air Intake Connection Type NPT, Check Seat Material Aluminum, Diaphragm Material Buna-N, Feet of Head (Maximum) 320 ft, Flow Rate (Maximum) 49 gpm, Manifold Connection Single Port, Media Discharge Connection Size 1 in, Media Discharge Connection Type NPT, Media Discharge Location Center, Top, Media Intake Connection Size 1 in, Media Intake Connection Type NPT, Media Intake Location Bottom, Center