Are you looking for a professional but reasonable designed Air Stone? Are you looking for a solid and trustworthy bubble stone that can accomplish multiple tasks? If so, please look no further! Our air stone must meet your needs. This fish tank bubble stone is your . Features -Color:As shown. -Material:Nano -Size:20.00X3.70X1.00cm/7.86X1.45X0.39in -Increase air circulation and oxygenate the water, which is beneficial to pet fish. -This aquarium bubble stone is used to increase the oxygen in the fish tank. It is a good accessory for your fish tank. -A great way to add oxygen to your fish tank, aquarium, hydroponics and circulatory system. -The bubbles are uniform, small and dense, and the oxygenation effect is good. -Using safe materials, practical and durable, and . Connect the air pump and put it in the water to help the air pump absorb oxygen into the water. Package list: 1 × fish tank bubble stone 1 × suction cup