Safe Material: This aquarium air stone can be repeated cleaning, long-term to use and the safe material keeps fish healthy and active. The bubble stone can be easily hidden from view and save the space due to its slim, compact design. High Dissolved Oxygen: The fine bubbles making increase the oxygen dissolving rate in water, it is a great way to add oxygen, decrease CO2 levels and keep the fish healthy. Easy to Use: Aquarium Air Diffuser with 2 Suction cup makes the air stone adsorbed on the tank firmly. Durable, great for home, office fish tank, aquarium and hydroponics nutrient tanks. Function: 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. 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
