HVAC Refrigerant Leak Detector Stainless Steel Sensor Halogen Freon Sniffer, Air Conditioning Refrigeration Automotive HVAC Detection, R22 R134a R410a CFCs HCFCs HFCs, ST-382P. Works with All Halogenated Gases: Detects HFCs/HCFCs/CFCs (R22, R134a, R410a, R1234yf).
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