Double Diaphragm Pump, Air Consumption (Maximum) 180 scfm, Air Intake Connection Size 3/4 in, Air Intake Connection Type NPT, Check Seat Material Santoprene, Diaphragm Material Santoprene, Feet of Head (Maximum) 289 ft, Flow Rate (Maximum) 256 gpm, Manifold Connection Single Port, Media Discharge Connection Size 3 in, Media Discharge Connection Type NPTF, Media Discharge Location Center, Media Intake Connection Size 3 in, Media Intake Connection Type NPTF, Media Intake Location Center