【High quality】 This aquarium air flow distributor is made of high quality stainless steel, with smooth, durable and robust surface, with long service life. 【Easy to Use】 Our stainless steel aquarium air pump accessories equipped with the flow control valve, accurately adjust airflow, easy operation. 【Gas shunt】 The pump accessories D oxygen in air can be used for the shunt gas. It could transform the airflow from 8mm to 4mm. 【Miscellaneous type】 This stainless steel air control valve offers several types, you can choose according to your needs. 【Wides use】 This aquarium air control valve is used for aquarium and aquaculture applications. The pneumatic lever valve can be connected to the piping of the aquarium. This aquarium air pump separator is used for aquarium and aquaculture applications. 2-channel aquarium air flow separator Adjust the air flow, easy operation. The air lever valve can be connected Aquarium tubes. The separator is connected to the tube of the air pump, manually