Liquidynamics 21073T 5:1 Oil Pump, 29” Suction Tube, Pump Only See Other Models::5:1 Pneumatic Pumps 29 21073T 3 millimeter) with a heavy duty For added peace of 3 millimeter) with a heavy duty follower spring for consistent priming and a posi lock follower rod with ergonomically designed T handle which provides a sure handed grip and easy filling at any position while the tough follower offers a superior seal and eliminates grease bypass 5 33 CFM 1 2 1 2" NPTF(f) 240 V AC These pumps also have a maximum fluid pressure output of 600 PSI but have flow rates more than twice the output of normal 5:1 pumps These pumps are an excellent choice for high flow applications in truck shops or industry where multiple dispense points are required