KW Zone Aquadine Airstone Round-2.2cm / 1" -Blister Card[Size - 1Inch]

2.2cm / 1" Round Ball An air stone is a piece of aquarium furniture, traditionally a piece of limewood or porous stone or Flexible plastic tubeing, which with tiny holes that is attached to airline tubing which diffuses air from an air pump into the tank in the form of bubbles. Using an air stone can eliminate the noise and large bubbles of conventional air filtration systems, and provide other benefits to the health of the fish. Airstones are sold in a very wide variety of shapes, sizes, and levels of coarseness----from extremely rough producing larger (Though still typically unnoticeable) bubbles and letting in more oxygen --- to very fine, producing minuscule bubbles. Package included: 1 Round Ball Airstone