Diaphragm Pump; Air Consumption (Maximum) Not Applicable; Air Intake Pressure (Maximum) Not Applicable; Operating Pressure (Maximum) 60 psi; Air Intake Connection Size Not Applicable; Air Intake Connection Type Not Applicable; Diaphragm Chamber Design 4; Diaphragm Material Viton; Check Valve Material Viton; Discharge Connection Size 3/4 in; Discharge Connection Type Quick Connect; Flow Rate (Maximum) 4.5 gpm; Housing Material GFPPL; Intake Connection Size 3/4 in