FJC Inc. 6802 R1234yf Low Side Manual Coupler: Streamline Your AC Service 2.6" Length, 1" Diameter, Brass, R1234yf Low Side Coupler, Blue The FJC Inc. 6802 R1234yf Low Side Manual Coupler is a precision-engineered component designed for efficient and reliable servicing of automotive air conditioning systems using R-1234yf refrigerant. Its robust brass construction ensures durability, while the M12 fitting guarantees compatibility with standard service hoses. The coupler's intuitive design simplifies the connection and disconnection process, minimizing downtime and maximizing productivity. The blue color-coding clearly identifies it as a low-side coupler, reducing the risk of errors. This coupler is a critical part for any professional maintaining vehicles with R-1234yf systems, providing a secure and leak-free connection during refrigerant recovery and charging processes. Its compact size allows for easy access to service ports in tight spaces. This high-quality, reliable coupler from FJC Inc. is the ideal solution for maintaining peak efficiency in your fleet's AC service operations. Its superior design, ease of use, and robust construction contribute to minimizing downtime and maximizing technician productivity. Order your FJC Inc. 6802 couplers today and experience the difference.