R1234yf & R134a Refrigerant Recharge Kit with Gauge Bullet Piercing Tap Valve R134a Self-Sealing Can Tap R1234yf Can Tap for Home AC Refrigerant and Auto AC System

The efficient automotive refrigeration charging kit is suitable for both R1234yf and R134a automotive air conditioning and domestic refrigeration systems. Both self-sealing R134a and R-1234yf Freon types are compatible with these can taps. There is a separate flow control valve and check valve on both the 134a and R1234yf low-side quick connect adapter couplers. If you want to fill more than one can of Freon at a time, you can close the flow valve on the connector without having to start the whole unit again, which can be a lot less tedious. Bullet Piercing Tap Valve included in the kit, great for sealed fridges or old cars/trucks where the ports have stopped working. The BPV-31 Bullet Piercing Tap Valve is compatible with 1/4", 5/16" and 3/8" O.D. pipes. And interchangeable part numbers as follows: AP4502525, BPV31D, GPV14, GPV31, GPV38, GPV56, MPV31. The 3" gauge has an easy-to-read colour-coded scale. It provides accurate measurement of system pressure and displays the pressure val