【Ultra-high Dissolved Oxygen Diffuser】- Good effect, with scientific design, the diffuser has the highest and best CO2 dissolving rate. The surface of the air stone is super smooth, the air holes are super small and evenly distributed on the disc. 【Premium Material】- This aquarium bubbler is made of high quality stainless steel, sturdy and durable, the diffuser is not easy to be removed. 【Easy to Install】- Installed directly under the fish tank or fish tank. Also suitable for low voltage systems or CPU controlled systems and 20-60L aquariums. 【Easy to clean】- Open the diffuser cup top cover to replace it. It is recommended to clean once a week to prevent bacterial growth. 【Package includes】- 1 * stainless steel aquarium refiner, 1 * suction cup, 6 * refining film, to meet your needs.
