High quality materials: Made of stainless steel, air does not leak and is durable. Size: The outlet diameter is about 4mm and the inlet diameter is about 4mm. about 8mm, which is suitable for most oxygen pumps. Simple operation: the splitter is connected to the tube of the air pump, manually controlling the flow of large oxygen or turning on or off the air pump. Perfect Design: Control the flow of vital oxygen from your pond aerator or aquarium air pump with this handy air control valve. Range of use: can be used in aquariums, fish tanks, aquaculture, etc.
