This aquarium air pump accessory features a nano bubble stone that efficiently diffuses oxygen into your fish tank. The round shape and fine bubbles ensure even distribution, promoting a healthy aquatic . Its silent operation makes it ideal for household use, providing a tranquil atmosphere for both fish and owners. Features -Color:White -Material:Ceramic -Size:9.30X8.00X4.20cm/3.65X3.14X1.65in -Diameter: 8cm -Connected hose: 4mm -High efficiency: utilizes advanced silent technology to ensure low noise levels, providing a peaceful for both you and your fish -Uniform bubbles: the nano bubbler disc design generates uniform and fine bubbles, ensuring optimal oxygen supply for your aquarium -Durable: made from Ceramic materials, this air stone is wear-resistant and , suitable for extended use -Easy installation: simple and convenient to install without the need for additional tools, making it user- -Versatile application: suitable for various types of fish tanks, enhancing oxygen circulation and improving water quality Package list: 2 tank air pump