Double Diaphragm Pump, Air Consumption (Maximum) 45 scfm, Air Intake Connection Size 1/4 in, Air Intake Connection Type FNPT, Check Seat Material 316 Stainless Steel, Diaphragm Material Buna-N, Feet of Head (Maximum) Not Applicable, Flow Rate (Maximum) 28 gpm, Manifold Connection Single Port, Media Discharge Connection Size 3/4 in, Media Discharge Connection Type NPT, Media Discharge Location Top, Media Intake Connection Size 3/4 in, Media Intake Connection Type FNPT