Description: Product Specifications: This Car Air Conditioning Refrigerant Quick Connector features a high pressure red connector with a top 16mm, middle 1/4sae internal thread, and 1/4sae external thread, and bottom R1234YF 17mm. The low pressure blue connector has a top 13mm, middle 1/4sae internal thread and 1/4sae external thread, and bottom R1234YF 14mm.Installation Location: The high pressure quick connector is generally installed on the high pressure pipeline near the compressor output end. This is where the refrigerant enters the condenser after being pressurized by the compressor.Applicable Scope: Suitable for R1234YF/R12 to car air conditioning charging, refrigerant, pressure gauge, checks, recovery and evacuation work.Product Composition: The package includes 1 high pressure connector, 1 low pressure connector, and an air conditioning valve core wrench.Features and Functionality: Designed for quick connection and disconnection without tools needed by maintenance personnel to safely connect or disconnect the air conditioning system pipeline for refrigerant filling, discharge, or recovery work. It features an instant locks and release mechanism that allows users to quickly complete the connection or separation of refrigerant pipelines without tools, greatly improving efficiency in repair and service tasks. Specification: Material: Copper Color: Multicolor Size Chart: Blue Bottom Diameter 1.4cm/0.55inchRed Bottom Diameter 1.7cm/0.67inch Package Includes: 2x Quick Couplers 1 Wrench Note: Please allow slightly errors 1-2cm differences due to manual measurement.