10pcs Fish Tee Connector 3 Way Pump Line Tube Volume Adjust Control Valve for 0.2in Hose

High strength, high temperature resistance, corrosion resistance, non‑toxic and wear‑resistant. T‑type regulating valve, allows you to adjust the freely in the fish . Help to increase oxygen and keep the freshed, creating a healthy environment for your fish. Condition: 100% Brand New Item Type: Aquarium Volume Valve Material: Plastic Color: As picture shown Function: Adjust the volume of pump Application: Suitable for 4mmCelsius0.2in hose Instructions for Use: Connect the regulating valve in the middle of the hose, and adjust the amount of gas by turning the blue valve