1" x 3/4" RapidAir FastPipe MNPT Adapter F2118 5/8" Shaft 55" length and standard 3/16"

55" length and standard 3/16" keyway allows easy connection to your existing pulley system without modification

controls the pressure setting

this way when it starts there is no pressure on the piston and the compressor is able to start load-free

Rolair air compressor intake filter with housing

1" x 3/4" RapidAir FastPipe MNPT Adapter F2118 5/8" Shaft 55" length and standard 3/16"1" x 3 4" Rapid Air FastPipe MNPT Adapter This 1" x 3 4" MNTP Adapter is used with 1" FastPipe solid aluminum tubing for easy connection in your air pipe system. RapidAir products provide superior air quality. Not only do they cool hot compressed air quickly for better filter performance, there is also no corrosion in the pipe and fittings, meaning longer tool life. The O ring seals ensure a leak free system with no gluing, threading or soldering.