Photo 1 of Hoteche R1234yf Only Self-Sealing A/C Can Tap Gauge Hose Recharge AC Conditioning 1/2" Acme Left Hand Threads HD77- Not for R134a/R12

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Photo 1 of Hoteche R1234yf Only Self-Sealing A/C Can Tap Gauge Hose Recharge AC Conditioning 1/2" Acme Left Hand Threads HD77- Not for R134a/R12Photo 2 of Hoteche R1234yf Only Self-Sealing A/C Can Tap Gauge Hose Recharge AC Conditioning 1/2" Acme Left Hand Threads HD77- Not for R134a/R12