This is everything needed to replace the internals for your older American Aro 5:1 pump along with the service to rebuild it

CONTINUOUS OPERATION

1/2" MNPT breather vents offer vacuum relief or pressure equalization on gear boxes

Comfort Grip Grease Handle with 36" Whip Hose

Milton 1100 1/4" NPT Deluxe Polycarbonate FRL Trio Preset Meter This is everything needed to1 4" NPT Deluxe Polycarbonate FRL Trio1 4" national pipe threadMaximum of 150 pounds per square inchMaximum of 16 standard cubic feet per minuteOperating temperature range of 40 degrees Fahrenheit to 150 degrees Fahrenheit 1 4" NPT Deluxe FRL trio is a filter, regulator and lubricator all in one. The filter has an automatic overnight drain, the regulator is the relieving type and the lubricator is drip style. This pre assembled unit has polycarbonate