Elitech WJL-6000 Freon Leak Detector Halogen Gas Tester HVAC Refrigerant AC Sniffer R22 R410A R134A with LED. Manufacturer: Elitech. Freon leak detector triggers on R22, R134A, R404a, R410A and all halogenated refrigerants including HFCs, CFCs,HCFCs and blends.
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