Electronic Refrigerant Leak Detector with UV & LED Light, WJL-6000PRO Freon Leak Detector for HVAC & Automotive AC, Adjustable Sensitivity oz/yr for R410A R134a R22 CFC HCFC HFC. 【Upgraded Version of WJL-6000】WJL-6000Pro Freon tester is the upgraded version of the classic WJL-6000 with higher sensitivity sensor, readable refrigerant gas leakage level and multiple alarm functions.
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