Dual Digital Manifold Gauges HVAC, R12,R22,R134A,R410A, R1234Yf Vacuum Pressure AC Gauge 3 Way Color LED Sight Glass 92 Refrigerants Leak Detection Test Gauge for AC Charging. [VERSATILE REFRIGERANT COMPATIBILITY]– WISSCOOL digital manifold gauge combines three functions-Refrigerant filling pressure inspection, Vacuum pressure test and Leak detection.
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