Double Diaphragm Pump, Air Consumption (Maximum) 55 scfm, Air Intake Connection Size 3/8 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) 49 gpm, Manifold Connection Single Port, Media Discharge Connection Size 1 in, Media Discharge Connection Type NPT, Media Discharge Location Top, Media Intake Connection Size 1 in, Media Intake Connection Type FNPT, Media Intake Location Bottom