R134a Adapter Kit. The R134a male side does not have a valve core.
R1234YF To R134A Adapter Kit Quick Couplers High/Low Side Conversion Fit Car A/C
R12 to R134A Adapter Kit Quick Couplers 90° High/Low Side Conversion for Car A/C
Fit Car A/C R1234YF To R134A Adapter Kit Quick Couplers High/Low Side Conversion
R1234YF to R134A Adapter Kit Quick Couplers High/Low Side Conversion for Car A/C
R1234YF To R134A Adapter Kit Quick Couplers Hi/Lo Side Conversion Fits A/C Car
R1234YF To R134A Adapter Kit Quick Couplers Hi/Lo Side Conversion For Car A/C