Original Style Cap Filter w/O-Ring, Gray Non-relieving regulator, piston type 150 PSI maximum for regulator 40 micron filter element Turn clockwise to increase pressure PN 7311 rebuild kit for PN 7212 Integrated 3/8" compression tube to adapt to 7100 & 7099 manual shut-off valve PN 7212 includes 10-32 x 1/8" barb & washer