This AC fitting port adapter retrofit converts R12/R22 systems to R134A using a 1/4" SAE or 7/16"-20 UNF adapter. These low/high-side adapters convert old 1/4" SAE or 7/16"-20 UNF R12/R22 charging ports to accept R134A quick-disconnect hoses.
R12/R22 to R134A AC Retrofit Fitting Adapter Kit 1/4" to 7/16" UNF Conversion
R12 to R134A AC Retrofit Fitting Adapter Kit, Conversion Adapter
R12/R22 to R134A AC Retrofit Kit High Low Side Adapter Fitting For Auto A/C
R1234yf to R134a Quick Adapter High Low Side Connection to R134a Quick Coupler
R134a to R1234yf Adapter R1234yf Adapter, R1234yf to R134a Adapter High Low Side
R1234yf to R134a Quick Coupler Adapter High Low Side Conversion Kit Auto AC