【Small Aquarium Filter】- Produces clean water and provide aeration, while taking up less space and using less energy. Ideal for 5 to 15 gallons tanks | 【Effectively Filtration】- Ceramic balls and bio sponge provide both mechanical and biological filtration for aquariums, remove waste and replenish aquariums with a reliable water flow | 【More Oxygen】- Filter can also double as an aeration system too because the bubbles that come out from the top increase the dissolved oxygen levels in the water | 【Easy to Install】- The filter parts are detachable and easy to clean, comes with mounting suction cups for easy placement in an aquarium | 【Create the Perfect Aquarium Ecosystem】- Each aquarium filter comes with a pre-assembled filter cartridge. Recommend to change the filter cartridge Once A Month and Clean the filter as needed