【Air flow control】 The air flow control lever valve can manually control the o2 / CO2 flow by switching the lever to control the air pump. 【High quality】 These aquarium air flow control valve are made of quality stainless steel, high strength, polished fine, robust and durable, do not let the air escape. 【Easy to use】 This single-headed air valve used for the airflow distribution such as the air pump. Air flow rate of the air pump, easy to use.Offient for aquarium , aquarium. 【Perfect aquarium accessories】 The air lever valve can be connected to aquarium tubes, an excellent assistant for your aquarium and aquariums.It is a good replacement for that worn or broken. Specifications: Article Type: Adjustment air valve at a head Condition: 100% brand new Material: Stainless steel Weight: ENV.37G Color: Silver Package list: 5 x single head adjustment air valve
