High side service couplers with red actuator connect to our special Enviro-Guard hoses to allow access to service ports on automotive R-134a A/C systems Quick-connect design has an integral safety...
Brass Low Side Manual Coupler with M12 fitting Color coded Blue for high side. Works on all R1234YF high side fittings on mobile A/C systems Coupler must be in the off position to connect to or...