2 Pcs R32 R454B Refrigerant Brass Adapter,1/4" Female to 1/4" Male Reverse Thread, for R32 R454B Refrigerant Tanks Mini Split Systems,HVAC Air Conditioner Split System Quick Connect Fittings

This 2‑piece set of refrigerant line adapters is designed for use with newer eco‑friendly refrigerants such as R32 and R454B. It links refrigerant cylinders, manifold gauges, or charging hoses to the service ports of mini‑split and residential/commercial split‑system air conditioners, ensuring a secure, leak‑free connection. Specifications: Material: Brass; Thread: 1/4" SAE female × male reverse thread; Compatible refrigerants: R32, R454B, and other compatible gases (verify system compatibility before use); Package includes: 2 × R32 / R454B brass refrigerant adapters;

• 【Compatibility】 Each set includes 2 adapters to cover multiple device maintenance needs, eliminating the requirement for extra purchases. these fittings safely connect to modern mini‑split AC units, vacuum pumps, manifold gauges, and recovery equipment.
• 【Reverse Thread Design】 Specifically engineered for R32/R454B refrigerants, featuring 1/4" SAE female-to-male reverse threading. Threads create a secure, leak‑resistant seal between the refrigerant tank and charging hose, enhancing safety and efficiency during charging operations.
• 【Premium Material】 Constructed from corrosion‑ and wear‑resistant premium brass for long‑term durability. The integrated knurled grip ensures easy hand‑tightening even in demanding working conditions, allowing for reliable installation without the need for additional tools.
• 【Efficient and Energy‑Saving】 The exclusive reverse thread design prevents accidental cross‑connection of incompatible refrigerants, providing a crucial safety feature during charging and recovery processes. An integrated anti‑backflow valve automatically closes upon disconnection, trapping residual refrigerant in the hose to prevent leakage and reduce the risk of skin burns.
• 【Lightweight and Easy to Operate】 Lightweight construction makes these adapters portable and convenient to store. No special tools are required—installation and removal are performed quickly by hand. The knurled handle offers a comfortable, non‑slip grip that minimizes hand fatigue during extended use, making them suitable for both professionals and DIY users.