1147, LEVER GUN __bf type anti vortex cap The Portable Unit can be SKF 14138 A The Portable Unit can be taken directly to the field to clean your diesel engine air filters or any other canister style filters and only requires a compressor with 90 PSI capabilities 360" Inside Length * Jam proof toggle mechanism prevents binding or accidental bending of plunger * Precision fit and hardened plunger prevents lubricant bypass and resists scoring for longer life * Rugged cast iron pump head for strength and durability * Follower rod locks into follower to force prime * Exclusive 'flip over' follower allows a superior seal for either cartridge or bulk loading applications