Working on car AC systems? This quick coupler kit makes switching between R134a and R1234yf refrigerants a whole lot easier! The set includes two R1234yf couplers (red for high side/17mm, blue for low side/14mm) and two R134a adapters (red cap high side/16mm, blue cap low side/13mm). Made from solid brass, these couplers are durable, corrosion-resistant, and seal tightly with a 6-ball lock design to prevent leaks. They're compatible with most manifold gauge sets, AC charging hoses, oil injectors, and recovery machines. Perfect for mechanics, DIYers, or shops that service vehicles using either refrigerant type. The auto-close function helps maintain system integrity when disconnecting. Whether you're recharging, recovering, or converting systems, this kit saves time and ensures a secure connection. Comes with a 12-month warranty and instructions. Keep your AC work smooth, professional, and leak-free with these reliable adapters!
