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. 1Used for connecting 1/4 inch hose fitting to R134a automobile refrigeration tank 2Quick, easy connect and disconnect 3Reliable and safe for valve access to systems even at working pressure 4High & Low couplers kit with colored knobs for easy identification 5Valve actuation eliminates possibility of refrigerant loss