aluminum construction: The AC Quick Coupler is made of premium aluminum, ensuring durability and longevity. It's designed to withstand regular use and resist wear and tear. Easy to use: Air Conditioning Adapter features a simple liquid connection design, making it easy to connect and disconnect. It streamlines the process of filling your vehicle's air conditioning system. Compatibility: AC Connector is designed for use with R1234YF and R134A refrigerant systems. This makes it a versatile tool that can work with various models and makes of cars. Ideal for AC repairs: If your car's AC system needs repair or maintenance, this Air Conditioning Accessory is a must-have. It allows DIY and professional mechanics to effectively service air conditioning systems. Efficient design: A right-angle design ensures smooth workflow and prevents refrigerant loss. It's leak-proof under normal usage, guaranteeing the efficient and secure transportation of refrigerant., Manufacturer: Qiilu