Climax 280 Grease Gun Complete with Hose Assembly 657D 63 Cool Air Discharge Adjustable 63 Cool Air Discharge Adjustable Nozzle System Cooling Method Air Cooled Single Hose Power Source Plug In Exhaust Air Flow 135 cfm Mobility Wheels Compressor Technology Fixed Output (Standard) Color Black Includes Air Filter Air Filter Included Cooling Capacity Maximum 5 000 RPM Head Type Standard Head Dust Sealed Switch Yes Case Included Yes Kit Contents (1) Bare Tool The gun uses size “K” stick sealant (1 1 2″ diameter x 12″ long) The forward stroke of the air motor pumps the sealant and the backstroke acts as a booster compressor to supply the necessary pressure to the forced fed priming system The gun operates on an air supply pressure ranging from 70 PSI to 125 PSI and weighs approximately 17 lbs when loaded with sealant