2-Pack R32 R454B Refrigerant Brass Adapter, 1/4" Female to Male Reverse Thread, Low Loss HVAC Quick Connect Fittings for R-32/R-454B Tanks & Mini Split Systems

Reverse Thread Design：Specifically designed for R32/R454B refrigerants, with 1/4" SAE female to male reverse thread. It fundamentally avoids misconnection to incompatible systems, preventing equipment damage and refrigerant leakage, ensuring safety

High-Purity Brass Material：Made of premium brass, with corrosion resistance and wear resistance. It withstands frequent use and harsh conditions (high temperature, humidity) without deformation or cracking. Knurled surface ensures a firm grip even with gloves, avoiding slipping

Efficient And Energy-Saving：Precision-machined threads ensure tight connection without leakage, reducing refrigerant waste and improving HVAC efficiency. Built-in anti-backflow design shuts off automatically when disconnected, locking excess refrigerant in the hose to avoid finger burns

Lightweight And Easy To Operate：Lightweight design for easy carrying and storage. No complex tools needed—installs/removes manually quickly. Knurled handle offers comfortable grip, no hand fatigue during long-term use, suitable for pros and DIYers

Wide Compatibility：Perfectly fits R32/R454B refrigerant tanks, compatible with HVAC systems, mini splits, refrigeration equipment. 2 adapters per set meet multi-device maintenance needs, no extra purchase required