Double Diaphragm Pump, Air Consumption (Maximum) 160 scfm, Air Intake Connection Size 1/2 in, Air Intake Connection Type FNPT, Check Seat Material 316 Stainless Steel, Diaphragm Material PTFE, Flow Rate (Maximum) 147 gpm, Manifold Connection Single Port, Media Discharge Connection Size 2 in, Media Discharge Connection Type Tri-Clamp, Media Discharge Location Center, Media Intake Connection Size 2 in, Media Intake Connection Type Tri-Clamp, Media Intake Location Center.