Air Stone, Bubble Maker, oxygen stone, cylindrical, Gray color

Description Air Stone Bubble Maker An Air-stone, whose purpose is to gradually diffuse air into the tank and provide oxygen to water. Air stones are made of high quality non-toxic mineral material. With high temperature interring, the stones are sturdy and durable, have high dissolved oxygen rate and create even and tiny bubbles rather than a limited number of large ones. Usage Instructions: Connect the bubble stone with the supporting hose and connect the oxygen pump at the other end of the air pipe. Soak this product in water for 15 minutes before use Long time using, such as dirt blocking, bubble reduction, can be taken out to clean repeated use.