Aquarium Air Stone 2.5 cm Cylinder Blue Bubble Diffuser Release Tool for Nano Air Pumps, Small Buckets and Aquariums, 12pcs

Tiny but Durable: Each cylinder measures 1.5cm deep x 2.5cm high and weighs 7.6g. Tiny but well built for continuous bubbling. Ideal for small fish tanks or aquariums. Medium Bubbles: Air stone cylinders produce a good amount of dense bubbles. A great way to increase oxygen solubility in your aquarium and animate aquatic life. Model: ASC-025B; Spray volume: 0.8L/min; Standard air hose inner diameter: 0.5 cm. Recommended pump power: 2 W - 4 W. Efficient bubblers for long service life. Reliable material: made of mineral material and solidly constructed, it has no effect on the health of your fish. Contribute to the healthy growth of your fish. Easy to use: Soak the stone completely in water for 1 hour before use. Clean it regularly with a brush as it becomes clogged after weeks or months of use.