DURABLE BODY: Made of aluminum switch, bronze adapter, and nickel plated bronze body, making the detachable adapter for longer maintenance.(Red and Blue, maybe chromatic aberration on different batches of production)
COMPATIBLE AND FITTING: Fitting for A/C manifold gauge set (R-134A) type and R134A service ports,1/4" male flare as well as 5-ball style coupler.
SPECIAL DESIGN FOR NO LEAKAGE: Two additional brass joints can more easily connects valve and threads inside, making a great snaps on / off and avoiding the Freon leakage which always happen in the past.
METHOD OF USES: Connect bottoms with vehicle's R134A service port; connect the adapter with the refrigerant hose; turn on/off the switch at top to turn it on/off.
WIDE APPLICATIONS: Fits high low A/C 1/4" SAE HVAC, quick coupler interface fits with R134A service ports for auto-owner, auto garage and auto lover.