Graco 246913 Mini Fire Ball 225 Series 35 Lb 50 Lb Grease Package (Cart Mounted Pail Dispenser) stationary grease are rust free inside and 5780102N95704 are rust free inside and out Follow our easy Gravity Feed Assembly Guidelines 375 Air Inlet Thread Gender Female Air Inlet Thread Type NPT Application Industrial Compatible Material Grease Fluid Inlet Type Slotted Fluid Outlet Size (in) 1 4 Fluid Outlet Thread Gender Female Fluid Outlet Thread Type NPT Includes Pump Pail Maximum Air Working Pressure 140 Maximum Working Pressure (MPa) 35 Maximum Working Pressure (psi) 5000 Motor Type Pneumatic Mount Location Cart Mount Power Type Pneumatic Pump Ratio 50:1 Pump Weight (lb) 15 Series 225 Type Piston Pump Package Wetted Material Steel