DEF Air Drum Pump, Pneumatic Piston, Inlet Size 1 In., Max. Flow GPM 6.5, Max. GPM for Water 6.5, Max. GPM for Oil 4, Outlet Size 3/4 In., Body Material Polypropylene, Discharge Tubing Material Polypropylene, Suction Tube Length (In.) 36, Max. Pressure (PSI) 100, Max. Temp. (F) 120, Delivers 6.5gpm, For Use With DEF, Light Oils, Gear Lube, Hydraulic Oils, Includes Telescoping Suction Tube