High Quality This aquarium air flow distributor is made of premium stainless steel material, with smooth surface, durable and sturdy, with long service life.Easy to use Our stainless steel aquarium air pump accessories equipped with the flow control valve, precisely adjust the air flow, easy operation.Shunt gas Oxygen aeration pump accessories can be used for shunt gas. It could transform the air flow from 8mm to 4mm.Various Type This stainless steel air regulating valve has several types, you can choose according to your needs.Widespread use This aquarium air regulating valve is used for aquarium and aquaculture applications. The pneumatic lever valve can be connected to the aquarium piping.Product DescriptionPrecisely adjust the air flow, easy operation.The air lever valve can be connected to aquarium tubes.The separator is connected to the air pump tube, manually controlling the large O2 flow or turning the air pump on or off.