General description R22 R134A to R32 R410A Hose Connector Adapter Cable is designed for seamless compatibility between different refrigerant types. This adapter cable allows for easy connection of hoses with a nominal diameter of 6.35mm (1/4 inch) to 5/16 inch fittings, making it an essential tool for air conditioning systems. Technical specifications Nominal Diameter: 6.35mm (1/4 inch) Size: 5/16 inch