Quality Material: Pneumatic ball valve made of quality brass and stainless steel with high hardness and durability to ensure a long service life. Can fully meet your long-term needs for water valves. Small and Lightweight: The mini brass ball valve has small size and light weight, simple structure, beautiful and practical application, which can bring you a good user experience. You will feel very satisfied after use. Quick and Easy Connection: Featuring a quick connection design, one end connects to the 1/4 female connector of the air pump, while the other end has a 1/4 quick-insert connector for simple nozzle attachment. (Only for 1/4 European quick connectors, please confirm the connector type.) Excellent Performance: The pneumatic ball valve is professionally manufactured, with fine workmanship, good sealing performance, easy to use and easy to install. Sandblasting: The surface of the pneumatic ball valve is treated with sandblasting process, corrosion-resistant, not easy to oxidize and rust. It is a high-quality choice.