R134A Self-Sealing Can Tap with R134A Tank Adapter,1/2" to 1/4" SAE Refrigerant Dispenser Tool Brass Valve Bottle Opener with 1/4" SAE Female and 1/2" Male Adapter for AC Manifold Freon Charging Hose Size: R134A-Self-Seal Compatibility: The R134A self-sealing can tap refrigerant dispenser with tank adapter connects all R134A automotive air conditioning refrigerant cans.