Air Operated Double Diaphragm Pump, Air Consumption (Maximum) 16 scfm, Air Intake Connection Size 1/4 in, Air Intake Connection Type FNPT, Check Seat Material Polypropylene, Diaphragm Material Santoprene, Feet of Head (Maximum) 231 ft, Flow Rate (Maximum) 14.3 gpm, Manifold Connection Single Port, Media Discharge Connection Size 1/2 in, Media Discharge Connection Type NPT, Media Discharge Location Top, Media Intake Connection Size 1/4 in, Media Intake Connection Type FNPT