Universal Compatibility
The 1/4-inch male connector fits most automotive AC diagnostic manifold gauge hoses. The adjustable coupler ensures compatibility with all models, making it easy to service R134a air conditioning systems in domestic and foreign cars, trucks, SUVs, and other vehicles.

Versatility
The adjustable R134a adapter quick connectors control high and low refrigerant flow rates in vehicle AC systems. Red signifies high-pressure and blue signifies low-pressure; this connector attaches to the R134A service port for R1234a refrigerant, AC manifold gauges, diagnostic tests, recovery, and vacuuming.

Easy Connection
Use the blue coupler for the suction service port and the red coupler for the discharge service port of your AC system. Equipped with a 1/4-inch male flare adapter that fits AC manifold gauge hoses with a 1/4-inch female connector, ensuring quick and accurate connections. Ideal for vacuuming, diagnostics, refrigerant charging, and recovery tasks.

Long Lifespan
The adjustable R134a adapter quick connectors are crafted from durable aluminum and brass, paired with rubber seals for hardness, wear resistance, corrosion resistance, and a completely airtight, leak-free seal.
Precise snap-lock and knurled grip ring design ensure easy and fast connections and disconnections.

Simple Operation
Turn the knob clockwise to open the Schrader valve on the service port, facilitating connection between systems. Turn counterclockwise to safely close it, ensuring safe and effective operation. Refer to the markings on the knob for proper usage instructions.