Description: 【Premium】: The R134A to R1234YF quick couplers are made of brass material, stronger and more durable, performance. 【Good Sealing】: The ball latch designe and rubber seal rings can guaranteed the r1234yf to r134a conversion have good sealing, accurate knurled grip rings for easy operation, 【Applications】: This R1234YF to R134A quick coupler can be used directly with R134A quick coupler to convert R1234YF to R134A and can also be used with R1234YF/R134A AC instrument cluster 【Portable】: R1234YF to R134A conversion, easier and more convenient to disassemble and install, Small and compact, easy for you to hold and grasp. 【Apply】: Used for A/C Refrigerant, used to connect female and male adapters of different diameters, suitable for pipes connection, diagnostic check, recovery, evacuation work and other fields. Specification: Material: Brass Size Chart: A 70*20mm B 62*30*24mm C Height 74.5mm/73mm Package Includes: A / B: 1pcs  Quick Couplers Adapter C: 1pcs Red High Side Pressure R1234YF Adapters     1pcs blue color low Side Pressure R1234YF Adapters