Premium grade 12 cylinder Air Stone by Pawfly Premium quality mineral cylinder air stone provides exceptional results for growth The size of cylinder air stone is 08 in diameter by 12 height Usage: Please soak the air stones in water for about 30 minutes before usage After a long-term use clean your stone regularly so that it will be most effective Replacing the air stone every six months

Tiny but Enduring: Each cylinder measures 08 D x 12 H and weighs 072 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 the water and enliven the aquatic lives Model: ASc-030 Jetting volume: 13 Lmin Standard ID airline tubing: 316 Recommended pump power: 2 W - 4 W Also great for aerating DWc systems of small gardens Reliable Material: Made of mineral material and sintered at a high temperature it causes no effect to the health of your aquatics Keep fish or roots 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