Diaphragm Pump Operating Pressure (Maximum) 35 psi Air Intake Connection Type Barbed Diaphragm Chamber Design 2 Diaphragm Material Santoprene Check Valve Material Viton Discharge Connection Size 3/8 in Discharge Connection Type Barbed Flow Rate (Maximum) 1 gpm Housing Material Polypropylene Intake Connection Size 3/8 in Intake Connection Type Barbed Nameplate Voltage 24V DC Pump Operation Type Electric Pressure Switch No Manufacturers Warranty Length 1 Year