Description This water controller are often used inhigh- low level controling. Automatic water replenishment, practical. Can also be used to change water and water, stop automatically. easy to install, and can be use in fish tank or aquarium. Feature -Color: Red. - Material: ABS. - Size: About 3.6 x 3.6 x 3.5cm. - Made material, durable and provide long service life. - Accurate water level controller, easy installation, practical to use. - Suitable for fish tank and aquarium. The water level controller is small in size and does not occupy the fish tank space. - Groove design, suitable for various cylinder wall thickness, noise reduction device. - Automatic water replenishment Suitable for changing water and adding water, it can stop automatically. Package Including 1 x water level controller