Cylinder Airstone 1 in

Tiny but Enduring: Each cylinder measures 0.6" D x 1" H and weighs 0.3 oz. Tiny but well-constructed for continual bubbling. Ideal for small fish tanks or aquariums. Medium Bubbles: The air stone cylinders produce a good amount of dense bubbles. A great way to increase oxygen solubility in your aquarium and enliven the aquatic lives. Reliable Material: Made of mineral material and sintered at a high temperature, it causes no effect to the health of your aquatics. Help keep your fish growing healthily. Easy to Use: Soak the stone completely in water for 1 hour before use. Clean it regularly with a brush as it gets clogged after weeks or months of usage.