Polypropylene — Diaphragm Pump, 1.4 GPM Max., 115VAC This listing is for each. Technical Specification Item Diaphragm Pump Inlet/Outlet 3/8 in FNPT Housing Material - Pumps Polypropylene Max. Temp - Pumps 130 Degrees F Max. Flow 1.4 gpm Max. Pressure - Pumps 60 psi Voltage - Pumps 120V AC Diaphragm Material Santoprene(R) Check Valve Viton(R) Pressure On 45 Pressure Off 60 Length (In.) 7.6 in Width (In.) 4.0 in Height (In.) 4.1 in Prime in Feet 8 GPM @ 0 PSI 1.4 GPM @ 20 PSI 1.15 GPM @ 40 PSI 0.97 Self-Priming Yes Pressure Switch Operates on Demand Diaphragm Design Three Chamber Agency Compliance UL Recognized Component for Canada and US