Enviro-Safe R12/R22 Can Tap with Gauge - R-134a Can to R-12/R-22 Port
This unique can tap has an R-134a screw on can connection and a R12/R22 service port connection. It was made for EnviroSafe cans which have an R-134a thread and allows you to install directly to R12 and R22 systems. Centrally installed is an easy to read pressure gauge.