Brass refrigerant charging valve, 1/4" thread safety adapter for R22 R410 R134A R404

Features: 1. Smart Control: Equipped with a knurled knob, the refrigerant valve allows for better control of the charge, simple and efficient. 2. Reliable Operation: Simply turn the knob, and the front part of the thread will automatically tighten. 3. Enhanced Safety: The valve body allows for free rotation, ensuring no leaks from the hose and improving safety. 4. Good Material: Made of thickened brass, the refrigerant adapter has a robust structure that can withstand high pressure. 5. Convenient Use: Perfectly suited for R22, R410, R134A, and R404 refrigerants; very easy to install due to its light weight and small size. Specifications: Item Type: Refrigerant Charge Valve; Material: Brass; Sealing Method: 4-layer sealing; Applicable Refrigerant: For R22, R410, R134A, R404. Threaded interface: 1/4" to 1/4". Package list: 1 x refrigerant charging valve. Note: Match the size to the appropriate model before installation and use.