Aquarium air stones make air bubbles air stone has different sizes are available as well air stone is joined to the air pump

Aquarium air stones used in aquariums to make air bubblesDifferent sizes are available

Aquarium air stones used in aquariums to make air bubbleairAir stones  has different size  all  of these we can provided

air stone is joined to the air pump by the water tube

Pillar Diametre12mm green or blue air stone for aquarium