ZZHXSM T Shaped Control Valve 6PCS Green Plastic Aquarium 2 Way Air Line Regulator Connector for Fish Tank Pump with 4mm Air Tube

Made of high quality plastic, fine workmanship, long service life, non-toxic, will not harm your fish tank and aquarium pets. Easy and convenient to install, connect these 2-way air line regulator connectors to 2 pieces of 4mm air tubing, just plug the connector directly into the air tubing. With a T-shaped design, these plastic regulating valves can adjust the trachea fittings, twist the valve to control the amount of oxygen, and are the perfect aquarium for your water environment. The breeding air valve can be connected to the breeding pipeline. Wide range of applications: The aquaculture air valve can not only be connected to the aquarium, but also can be applied to the fish tank at home, it is a practical tool to control the oxygen volume of the fish tank or aquarium.