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 Santoprene, 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