R134a Adapter Fittings YAKEFLY AC ,R134a Connector 1/4 Inch Quick Connector With Manifold Gauge Set, Adjustable Quick Coupler Adapters Fitting Kit For R134a Car AC System Evacuation Recharging And More R134a Service Port Fitting [Non Leakage Design] Built in O-ring ensures complete sealing, providing excellent protection and preventing waste refrigerant leakage; The provided bell mouth ensures connection to a 1/4 inch HVAC hose or adapter, which can be disassembled for easy replacement if needed. This connector can be connected to the R134A repair port of the vehicle. Adjustable coupler provides universal compatibility. [High Quality Material] This R134a quick connector body is made of high-quality copper, which is rust proof and corrosion-resistant [Usage] Connect the 5-ball quick connector clip to the R134A repair port of the vehicle, seal it with an easy to grip knurled ring, and then connect the air conditioning manifold instrument cluster and refrigerant hose. 2pcs R1234yf to R134a Adapter Fittings, High & Low Adjustable coupler provides universal compatibility. [Applicable] The R134A adapter is suitable for the R134A repair port quick connector adapter, with a 1/4 inch male connector, and is compatible with most automotive air conditioning diagnostic AC manifold instrument hoses. High Quality Material] This R134a quick connector body is made of high-quality copper, which is rust proof and corrosion-resistant R134a Quick Coupler Adapter The combination of the two makes the connector more sturdy and durable, suitable for long-term use. [High Quality Material] This R134a quick connector body is made of high-quality copper, which is rust proof and corrosion-resistant.