Grease Pump Air Motor Size 2 1/2 in Fits Container Size 400 lb/55 gal Drum Volume per Minute 90 cu in Pump Ratio 50 1 Max Pressure 7 500 psi Air Inlet 1/4 in NPTF Grease Type NLGI 1 and 2 Hose Length 5 ft Material Steel Application Shop and Plant Grease Applications Includes Drum Cover Air Coupler Air Nipple 3 ft Air Connecting Hose High-Pressure Grease Hose and Volume Elbow Union