Continuous Flow Air Grease Gun ?û Heavy Duty

?ò Automatic continuous flow of grease while trigger is depressed ?ò 40:1 Pump Ratio ?ò Minimum inlet air pressure 40 PSI to Maximum 120 PSI ?ò Develops up to 4,800 PSI pressure ?ò Added filler nipple allows 3 way loading; bulk, filler pump, or standard 14 oz. cartridge ?ò Air vent valve included for releasing air pockets ?ò Output per stroke 14 oz. per minute ?ò Lubricant up to NLGI #2 Grease ?ò Air Inlet 1/4-18 NPT ?ò Grease Outlet 1/8-27 UNPT ?ò Weight empty 4.25 lb (1.91 kg) ?ò Includes 6" rigid extension, 12" flexible hose and heavy duty coupler