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Use the R12 scale for R437a (MO49). SF5050, JB-M2-250, R12, R22 & R502 Check & Charge-It Kit with 36" Charging Hose (1) SF5050 Check & Charge-It Gauge with 1/4" male flare hose connection (1) 36" Charging hose, 1/4" female flare by 1/4" female flare. One connection on the hose is straight, and the other has a slight 45-degree angle. The connection with the 45-degree angle has an internal valve core depressor. The straight connection does not have a valve core depressor nor is one needed. *The JB Part# M2-250 gauge reads in; R-12, R-22 and R-502
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🇺🇸 Ship from USA · On Agora since 2026
$89.95