Double Diaphragm Pump, Air Consumption (Maximum) 70 scfm, Air Intake Connection Size 1/2 in, Air Intake Connection Type FNPT, Check Seat Material Santoprene, Diaphragm Material Santoprene, Feet of Head (Maximum) 281 ft, Flow Rate (Maximum) 71 gpm, Manifold Connection Single Port, Media Discharge Connection Size 1 1/4 in, Media Discharge Connection Type NPT, Media Discharge Location Center, Top, Media Intake Connection Size 1 1/4 in, Media Intake Connection Type FNPT