High/Low Side Quick Couplers Adapter Kit Brass Low High Car Quick Coupler Connector for A/C Refrigerant Charging Hose. Wide Range of Applications: This high/low side quick coupler adapter is suitable for a wide range of applications such as R1234YF/R12 to R134A AC charging, R1234yf refrigerant, AC manifold pressure gauges, diagnostic checks, recovery and evacuation work.
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