【R1234YF Low Side Adapter】 Blue R1234YF Low Side Quick Coupler: 14mm female x 1/4"SAE male. R12 to R134a Adapter Connector: 1/4" SAE female x low pressure 13mm R134A quick coupler. 【R1234YF High Side Adapter】 Red R1234YF High Side Quick Coupler: 17mm female x 1/4"SAE male.
