ARO 2" Grease Pump Package. Commercial Series LM2250E Chop Check Grease Pump, #LM2250E-21B, with 2" Motor, 50:1 Ratio and 0-7500 PSI Fluid Pressure Range for a 35 gal Container. Package includes Cover, Follower Plate, Control Handle, Grease Gun, 10-Foot Material Hose and Swivel.