An air stone is also known as an aquarium bubbler. It is one of the most important pieces of furniture in any aquarium. The basic function of an air stone is to supply dissolved air (oxygen) in the aquarium or fish tanks.
These small, inexpensive devices efficiently diffuse air in the water and eliminate the noise. They also prevent large bubbles which are a common sight in most conventional air filtration systems
2.5cm x 1.5cm