Keep your fish tank crystal clear with this advanced filtration system. The filter's innovative design includes a built-in waste collector that automatically cleans fish poop and other debris, reducing the need for manual cleaning. Its compact size and versatile functionality make it ideal for small to medium-sized aquariums. Features Suitable fish tank: 600-1000mm Suitable air pump: 5W or above -Color:Black -Material:ABS -Size:16.00X8.50X8.50cm/6.29X3.34X3.34in -Thorough waste collection: the fish tank toilet filter's powerful suction effectively collects fish waste and debris, maintaining a bottom - : advanced oxygenation technology enhances oxygen levels in the tank, promoting the health and growth of your fish - function: cleaning feature reduces the need for manual cleaning, making aquarium maintenance more convenient -Practical design: the antireverse mechanism prevents unpleasant smells, keeping the tank water fresh and clean -Simple installation: easy to install and compatible with various tanks, this small aquarium filter is designed for ease of use and practicality Package list: 2 x impeller accessory 2 x filter