SF5050, JB-M2-460, R-22, R-404a & R-410a Check & Charge-It gauge Kit
*Use the R404a Scale for R452a and the temperature pressure relationship is similar.
(1) SF5050 Check & Charge-It Gauge with 1/4" male flare hose connection
*The JB Industries Gauge is a part# M2-460 and reads in; R-22, R-404a and R-410a
