Description:_x000D_ This set of R134A air conditioning (A/C) quick couplers allow you to connect multiple hoses in the automotive industry / car R134A air conditioning system during diagnosis, charging, or evacuation. High and low connectors are included. Its safe design can effectively prevent injury and loss of coolant._x000D_ _x000D_ Features:_x000D_ _x000D_ Sleeve can protect against injury and loss of coolant. _x000D_ Coupling interface fits with service R134, 1/4" flare male. _x000D_ Quick and easy to connect/disconnect with high flow. _x000D_ Reliable and safe for valve access systems even at working pressure. _x000D_ Side mounting for A/C gauge set(R-134A) type. _x000D_ _x000D_ Specification:_x000D_ Connector: 90_x000D_ Material: Brass_x000D_ Compatibility: R134_x000D_ Low Side Quick Coupler: Blue_x000D_ High Side Quick Coupler: Red_x000D_ Application: Car Add Fluorine_x000D_ Manifold Hose Connections on Both Adapters: 1/4"_x000D_ Inner Diameter(Blue): Approx. 14mm / 0.55inch_x000D_ Inner Diameter(Red): Approx. 17mm / 0.67inch_x000D_ Package Weight: Approx. 366g_x000D_ _x000D_ Package Included:_x000D_ 1 x Blue Low Side Quick Coupler(With Cap)_x000D_ 1 x Red High Side Quick Coupler(With Cap)_x000D_ _x000D_ _x000D_ _x000D_ Note:_x000D_ Please allow small error due to manual measurement. Thanks for your understanding. _x000D_ Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.