This convenient aquarium diffuser is designed to improve water quality by increasing oxygen levels in your fish tank. The nano bubble stone produces fine bubbles that are evenly distributed, ensuring maximum oxygenation. Its silent operation and construction make it a reliable choice for both novice and experienced aquarium enthusiasts. Features -Color:White -Material:Ceramic -Size:9.30X8.00X4.20cm/3.65X3.14X1.65in -Diameter: 8cm -Connected hose: 4mm -Quiet performance: incorporates advanced silent technology to keep noise levels low, providing a peaceful environment for your fish -Even bubble distribution: the nano bubbler disc design produces fine, evenly distributed bubbles, ensuring efficient oxygenation -Sturdy and durable: made from Ceramic materials, this air stone is designed to withstand wear and tear, providing performance -Simple to install: easy and straightforward installation process without the need for extra tools, making it userfriendly -Broad application: suitable for a wide range of fish tanks, enhancing oxygen flow and improving overall water quality Package list: 1 tank air pump