1/2" NPT Deluxe Metal FRL Trio 728MC20 P-style couplers come with a

P-style couplers come with a 1/4" basic flow size

Also reads in kPA (0-700)

The Milton P-Style Air Plugs are crafted from case-hardened steel and plated to resist rust

and a full-swivel chuck for added ease during inflation tasks

#727 plug (1/4" MNPT)

1/2" NPT Deluxe Metal FRL Trio 728MC20 P-style couplers come with a1 2" 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 metal bowls and includes a gauge. Offers a maximum of 250 PSI and 100 SCFM. 40 micron filter element. Replacement bronze filter element: P1120 17