CERTIFIED A/C PRO Car Air Conditioner Adapter Kit, Complete AC Conversion Adapter Kit Converts R12 to R134-A Refrigerant, Includes 1 Low Side Port, 3 High Side Ports and Retrofit Label, InterDynamics

Certified A/C Pro R-12 to R-134a Retrofit Parts Kit with 4 Adapters is a complete automotive air conditioning conversion adapter kit that includes 4 adapters to fit all cars, all years. For automotive air conditioning conversion of R-12 to R-134a. Includes one low side 7/16 inch port, one high side 7/16 inch port, one high side 3/8 inch port, and one high side for 2 piece GM port.