Features and Benefits:1” Inlet/Outlet;Heavy-duty aluminumconstruction;1/4” Air Inlet;24 Gallons Per Minute (GPM);22 lbs.;JDI-DP1 Max psi: 115 psi;When you simply need an air-operated diaphragm pump, the JDI-DP1 and JDI-DP1-UL both come in an all-bolted durable construction for usein automotive applications among others. Rated for use with diesel, grease, kerosene and oil, these UL and non-UL Listed pumps featureO-ring seals and Nitrile diaphragm material, making it ideal for low-viscosity petroleum fluids.