- Versatile Usage : Designed for aquarium walls with a thickness of 5mm, 6mm, or up to 8mm. The device efficiently maintains water levels, automatically filling when the shorter indicator is at the liquid surface. - Compatibility : This product is ideal for aquariums with cylinder wall thicknesses of 5mm, 6mm, or up to 8mm and is compatible with standard international cola bottles. - Noise Reduction : Features a built-in noise reduction device to minimize operational sounds, creating a more serene environment (note: may not be completely silent). - Adjustable Length : The hose can be manually cut to achieve your desired water level, providing flexibility based on your aquarium setup. Practical Use Scenarios : 1. Routine Maintenance : Keep your aquarium water levels consistent, making regular maintenance easier during water changes. 2. Automatic Refilling : Ideal for busy aquarium enthusiasts who need a reliable solution for maintaining water levels without constant manual checking. 3. Customizable Setup : Perfect for a variety of tank sizes and setups, allowing you to adapt the device as your aquarium evolves. This product combines functionality, compatibility, and convenience, ensuring your aquarium remains a vibrant and healthy environment for aquatic life.