Mastercool 85530 R134A/R12/OIL Side Entry Can Tap Valve

• Like having three tools in one the Side Entry Can Tap will work on all R134a (2 7/8"), R12 (2-1/2") and oil charge (2") cans.
• 1/2" ACME-M and 1/4" FL-M fittings with an internal check valve to prevent system backflow.
• The "pliers style" grip is easy to use and has a positive locking latch to insure secure enGaugement.