Canister is built with cold drawn steel tube provide the high durability, the low variance ID feature prevent grease leakage from happening in bulk application.
O-Ring sealing high pressure piston design, prevent the grease from leaking from pump head.
Continuous cycle provides easier operation for user. 3-Way Grease Loading:Standard 14 oz. Cartridge;Bulk Suction Fill;Filler / Dispenser Pump