K28, R12, R22 & R502, Check & Charge-Kit Gauge kit 1/4" MF Hose Connection
The hose connection is 1/4" Male Flare
The Gauge is JB Industries part# M2-250
It reads in, R12, R22 and R502
This is the screw-on can taper for the new 5/16" Right-Hand-Threads, Self Sealing Cans.
