Feature: 1. Versatile Application: The quick couplers kit can convert between two different refrigerant interface, making it more versatile and widely adaptable. 2. Premium Brass Material: Made of high strength brass material, the quick adapter can withstand high temperatures and pressures, ensuring high durability and stability, providing long term effective use. 3. Convenient and Practical Use: The AC charging hose adapter simplifies the connection process of the overall air conditioning refrigeration system, saving your time and effort. 4. Enhanced Performance: The R1234YF quick coupler enhances the usability of your AC system, ensuring optimized performance and superior outcomes every time. 5. Easy to Install: The AC hose adapter connector has a simple and convenient installation, time and effort saving, no special tools or complicated steps required. Specification: Item Type: R1234yf Quick Couplers Kit Material: Brass Fitment: Suitable for Car Conditioner AC Charging. Package List: 1 x R1234yf Quick Couplers Kit (4Pcs)