Portable Grease Pump with , Features A High Efficiency Follower Plate Using Double 'O' Ring Seals at the Pump Shaft Eliminates Pump Cavitation and Minimizes Residual Grease at the Bottom, System Features High Ratio 60:1 Pump for Improved Performance When Pumping Thick and Tacky Greases, Air Consumption 12 cfm, Hose Length 6 ft