- Excellent Sealing Performance: The R134A adapter features a precision-threaded connection with a rubber seal and ball lock design. This combination of a spring lock and rubber seal prevents leaks, ensuring safe use of your refrigerant supplement kit. - User-Friendly Design: Filling your car's air conditioner with refrigerant is simple with this adapter. It includes an automatic locking function and a push-lock design for easy installation and disassembly. Please note, it is not compatible with Jaguar, Land Rover, and American models. - Durable Construction: Crafted from high-quality brass, this R134A adapter has undergone rigorous testing to ensure its strength and durability. It performs reliably in extreme conditions such as high temperatures and pressure, allowing for long-term use without quality concerns. - Versatile Compatibility: This adapter is designed for R134A conversions and works with high/low voltage R1234YF conversion kits. It is suitable for charging Mac R134A refrigerant and can connect to the 3-way R1234yf/R134a AC split pressure gauge group. Use Scenarios: 1. Perfect for automotive technicians needing to recharge R134A systems in various vehicles. 2. Ideal for DIY enthusiasts performing maintenance on their car's air conditioning system. 3. Useful in HVAC applications where R134A refrigerant is required.