ZZHXSM 6pcs T Shaped Control Valve Aquarium Air Pump Control Valve Tee Connector 2 Way ABS Plastic Air Line Regulator Connector for Pump, White

The regulating valve is made of high-quality plastic, with fine workmanship, it will not harm your fish tank and aquarium pets, and can be used for a long time. Easy to install and easy to use, use these regulators to connect 2 4mm air tubes, just plug the connector directly into the air tube. The regulating valve adopts a T-shaped design, and the amount of oxygen can be controlled by twisting the valve, so that the water environment is suitable for your fish tank. Not only can these valves be connected to the aquarium, they can also be applied to the tank and are a practical tool for controlling the amount of oxygen in the tank or aquarium. It is mainly used to connect the air pump and the air stone with the trachea, and the air volume can be adjusted to make the air stone produce bubbles of different sizes.