Review on 🧃 FJC 2734 R134A Refrigerant Oil Injector by Dave Phobia

A very useful tool when you work on an air conditioner and need to add oil. If your car is R134a, you need to buy 2x R12 to R134a 1x 1/2" ACME female to 1/4" connector 1x 1/2" ACME male to 1/4" connector. Good quality adapters are not cheap, around $20 Follow the instructions, you must have a can of R134a to inject oil or dye into the system.