2x adapter connection R1234YF to R134A quick coupling air conditioning Features: This R1234YF quick connector converts automotive air conditioning R1234YF/R12 interface to R134A high and low voltage plug interface. Made of brass metal material, which is sturdy and durable with high strength, rust-proof, not easy to break and can be used for a long time. Easier and more convenient to disassemble and install, small and compact, easy to hold and grip. Ball lock design and rubber sealing ring ensure good sealing when converting R1234YF to R134A. Specification: Color: red, blue Red size: 72.3*26*26mm Red upper interface outer diameter: 13.8mm Red upper interface inner diameter: 7.5mm Red lower interface inner diameter: 17.5mm Blue size: 70.7x25x25mm Blue upper interface outer diameter: 10.8mm Blue upper interface inner diameter: 7.5mm Blue lower interface inner diameter: 14.5mm Material: brass Red: high pressure quick connector Blue: low pressure quick connector Package included: 2x Car Air Conditioner Quick Connectors