Features: 1.Used for connecting 1/4 inch hose fitting to R134a automobile refrigeration tank 2.Quick, easy connect and disconnect 3.Reliable and safe for valve access to systems even at working pressure 4.High & Low couplers kit with colored knobs for easy identification 5.Valve actuation eliminates possibility of refrigerant loss Specification: Description: _x000D_ This brand new set of 2 color couplers offer you the great convenience to attach the manifold hoses onto the auto/car AC R134a system during the diagnosis, charging or evacuation working. It can quickly connect the hose without leaking refrigerant,and you don't have to pour the new refrigerant into the air conditioner, which is very safe and convenient. _x000D_ _x000D_ Features: _x000D_ 1. 1/4" male flare fitting for automobile A/C service. _x000D_ 2. Red for high pressure side and blue for low pressure side. _x000D_ 3. High & Low couplers kit with colored knobs for easy identification. _x000D_ 4. Solid brass metal construction is very durable and corrosion proof. _x000D_ 5. Reliable and safe for valve access to systems even at working pressure. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Material: Solid Brass Metal_x000D_ Color: Red + Blue_x000D_ High Side Coupler: Red_x000D_ Low Side Coupler: Blue _x000D_ _x000D_ Connecter: 1/4" Male Flare Fitting_x000D_ _x000D_ Package Weight: Approx. 140g_x000D_ Quick Joint: Air Conditioning_x000D_ Suitable For: R134a Valve Core _x000D_ _x000D_ _x000D_ Package Included: _x000D_ 1 x blue low side quick coupler_x000D_ _x000D_ 1 x red high side quick coupler _x000D_ _x000D_ _x000D_ Note: _x000D_ Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. PackageList: