Safe Material: This aquarium air stone can be repeated cleaning, long-term to use, safe material keeps fish healthy and active. Ultra-high Dissolved Oxygen: This upgraded air stone releases the bubbles more smaller, denser, uniform, which makes double oxygen dissolving rate in water. Compact Size: The bubble stone can be easily covert from view and save the space due to its slim, compact design. Easy to Use: 2 Suction cup makes the air stone adsorbed on the tank firmly. Durable, great for home, office fish tank, aquarium and hydroponics nutrient tanks. Produces Small Dense Bubbles Quietly: This aquarium air bubble stone which can create a very dense cloud of small bubbles quietly. When the bubbles burst into the water, the sound is quieter. Create lots of thin bubbles in fish tank, make dazzling curtain effect. Product description Description: Produces Small Dense Bubbles Quietly: This aquarium air bubble stone which can create a very dense cloud of small bubbles quietly. When the
