R12/R22 to R-134a Retrofit Low Side Adapter /w Valve Core SERVICE PORT Universal

R12 to R134A AC Retrofit Fitting Adapter Kit, R12 R22 to R134A High/Low Fitting

R12 R22 R502 to R134A Converter Adapter Valve 1/4" to 8v1 Thread Screw Interface

R12 to R134A AC Retrofit Fitting Adapter Kit, R12 R22 to R134A High/Low Fitting

R12/R22 to R-134a Retrofit Low Side Adapter /w Valve Core SERVICE PORT Universal

AC Fitting Port Adapter Cover Retrofit R12 to Accept R134a 13mm Low 16mm High

Retrofit Conversion Adapter R12 to R134a High/Low AC Charging Port Fitting Set

A/C Service Port, R134A, Low Side, 7/16" x 20 Thread [91-996]