Description: 【Efficient Aquarium Cleaning】3 in 1 internal aquarium filter with a built-in waste collector and oxygen pump offers automatic waste suction for quick and efficient water purification, making it an ideal tool for maintaining clean and healthy aquarium environments. 【Easy Waste Isolation】The innovative design allows easy isolation of fish waste, reducing the need for frequent cleaning or replacement of filter cotton. It ensures your tank stays cleaner for longer periods, saving time and effort. 【Safe Design】The thoughtful anti-suction fish design ensures the safe of your aquatic pets during the filtration process. It prevents small fish from being sucked into the filter, providing a safe environment for inhabitants of your aquarium. 【Multi-layer Filtration】Features a multi-layer filtration system that effectively isolates fish waste into a sediment chamber without the need for powered impellers. This ensures thorough cleaning while minimizing disturbance to your aquatic pets. 【Easy to Use】Made from sturdy material, internal aquarium filter is easy to set up in your aquarium. A must-have accessory for fish tanks. Specification: Material: PP Size Chart: Type A: 9.5cmx7cmx28.8cm/3.74inchx2.76inchx11.34inch Suitable for 40-70cm Fish Tanks Or Type B: 10.5cmx7cmx36.8cm/4.13inchx2.76inchx14.49inch Suitable for 60-90cm Fish Tanks Package Includes: 1 Fish Tank Filter Note: Please allow slightly errors 1-2cm differences due to manual measurement.