High-Quality Copper & Aluminum Construction: Constructed from durable copper and aluminum materials with factory-sealed handling, this Air Conditioning Connector Adapter R22 R410 delivers reliable performance and long service life in professional HVAC applications. Precision CNC-Machined Components for Leak-Free Performance: Manufactured with high-end CNC machine tools, this Filling Refrigerant Safety Valve features precision-engineered parts that ensure reliable, leak-free connections during air conditioning service and maintenance. Movable Thimble for Precise Valve Needle Control: The innovative movable thimble design of the Air Conditioning R410A R22 Connector Adapters allows exact control of high and low pressure valve needles, enabling precise refrigerant management in air conditioning systems. Easy Top-Loading Rotation for Effortless Operation: Featuring a user-friendly top-loading rotation design, this Air Conditioning Refrigerant Brass Flow Control Valve allows for easy switching operations regardless of how the safety valve is positioned. Refrigeration Charging Adapter for R22/R410A Systems: This 1/4 inches Refrigerant Charging Valve features SAE 1/4" male to 1/4" female safety adapter connections, specifically designed for refrigeration charging applications with R22 and R410A refrigerants., Weight: 0.440924524 pounds, Manufacturer: Samfoxy