Fitting for A/C Manifold Gauge Set (R-134A) type, coupler interface fits with R134A service ports, 1/4" male flare.
- Accurate snap lock & knurled grip ring for easy operation, detachable adapter for longer maintenance.
- This adjustable coupler provides UNIVERSAL compatibility for all models.
- Method of Use: Connect bottoms with vehicle's R134A service port; connect the copper adapter with the refrigerant hose; turn on/off the switch at top to turn it on/off.
- High & Low sets. Blue: Low side quick adapter; Red: High side quick adapter.