•The Mastercool 53551 Automotive Tracer Gas Regulator Kit is specifically engineered for automotive technicians who use a nitrogen-hydrogen tracer gas mix to pressure test R134a and R1234yf A/C systems.
•This complete kit includes a high pressure regulator, couplers, adapters and an advanced combustible gas leak detector making it the ideal solution for professional, non-refrigerant-based leak detection.
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