【Quietly Produces Small and Dense Bubbles】This aquarium air stone can silently generate very dense clouds of small bubbles. When the air bubbles burst in the water, the noise is reduced. Many small air bubbles are created inside the aquarium creating a dazzling curtain effect. 【Double Oxygen Dissolving Rate】Perfect for adding oxygen to your hydroponic system. Increase oxygen content, decrease carbon dioxide, increase pH. 【Easy to Use】Use the suction cup to firmly adsorb the air stone on the water tank. Durable and perfect for home, office, aquarium, fish tank and hydroponics. 【Adjustable】If you need a very dense cloud of small bubbles, please adjust the pump manually. The air volume of this nano aquarium can be adjusted by controlling the valve. Scope of delivery: 1 air refiner, white, 35 mm
