Medium Bubbles: Air Stone cylinders produce a good amount of dense bubbles. A great way to increase oxygen solubility in your aquarium and energize aquatic life. Spray volume: 0.8L/min; Standard air hose ID: 0.5 cm. Powered by even 2W-4W nano air pumps. Suitable for use in small fish tank and fish tank. Reliable Material: Made of mineral material and sintered at high temperature. Well built and efficient for long lasting service. No effect on the health of your dear fish. Sturdy and Durable: Each cylinder measures 1.5D x 2.5H (cm) and weighs 8g. And its cylindrical body always lets it sink to the bottom of your tank for consistent bubbles. Easy to use: Fully immerse the stone in water for 1 hour before use. Clean it regularly with a brush as it will clog up after weeks or months of use. 1" Air Stone Cylinder Air Stone Cylinder 1" air bubbles ensure durability, stable bubbles and a high resolution oxygen. Ideal for aerating your water tank and beautifying your aquarium. A must-have in
