1The Ac quick connector adapter features low couplers with colored knobs for easy identification. The colored knobs allow for quick differentiation between the high and low side couplers, saving time and avoiding confusion during use. 2The quick connect or disconnect feature of the adapter ensures convenient user experience. It allows for easy and efficient connection and disconnection, saving you time and effort. The high flow design ensures maximum efficiency during usage. 3The adapter is adjustable, making it compatible with different valve cores. Whether you're working with various valve sizes or types, the adapter can be easily adjusted to fit, providing versatility and convenience. 4Designed specifically for automobile A/C service, the adapter features an Sae male flare fitting. This fitting allows for seamless connection to 1/4 Sae hose fittings, making it suitable for a wide range of automotive refrigeration tanks. 5The adapter is built with reliability and safety in mind. It provides secure valve access to systems, even at working pressures. You can deliver consistent and safe results during your A/C service operations.