Double Diaphragm Pump, Air Consumption (Maximum) 75 scfm, Air Intake Connection Size 1/2 in, Air Intake Connection Type NPT, Check Seat Material Polypropylene, Diaphragm Material Viton, Feet of Head (Maximum) 55 ft, Flow Rate (Maximum) 75 gpm, Manifold Connection Single Port, Media Discharge Connection Size 1 1/2 in, Media Discharge Connection Type NPTF, Media Discharge Location Center, Media Intake Connection Size 1 1/2 in, Media Intake Connection Type FNPT, Media Intake Location Center