The integrated filtration system of this fish tank accessory ensures that debris and impurities are effectively removed from the water. The enhances the oxygen levels, promoting a healthier habitat for your aquatic pets. Its user-friendly design makes it easy to install and maintain, for both novice and experienced aquarium enthusiasts. Features -Color:Multi -Material:Plastic -Size:20.50X7.00X4.00cm/8.06X2.75X1.57in -Space saving design: for small tanks, this seamlessly into compact spaces while maintaining high performance for water filtration and circulation -Advanced filtration system: effectively cleans water by removing debris and impurities, ensuring a clean and healthy habitat for your aquatic pets -Integrated aeration: boosts oxygen levels in the water, supporting fish health and creating vibrant aquarium ecosystem -Userfriendly maintenance: the design simplifies cleaning and upkeep, making it easy to maintain optimal water conditions - technology: operates with minimal noise, providing a tranquil environment for both you and your aquatic companions Package list: 2x quartz balls 200g 5 x nitrification capsules 1 x biochemical cotton