【Easy to use】Our stainless steel aquarium air pump accessories equipped with the flow control valve, accurately adjust the air flow, easy operation. 【High quality】This aquarium airflow splitter is made of premium stainless steel, smooth surface, durable and sturdy, long service life. 【Shunt Gas】Oxygen aeration pump accessories, can be used for shunt gas. It can increase the airflow from 8mm to 4mm. 【Largely used】This aquarium air control valve is used for aquarium and aquaculture applications. The air lever valve can be connected to the tube of the aquarium.