The right filtration for every tank – Fluval external and hang-on filters. Fluval offers a complete range of high-quality filtration systems for both freshwater and marine aquariums. The FX Series (FX2, FX4, FX6) is built for large tanks from 200 up to over 1,500 liters, delivering powerful flow rates, huge filter capacity, and smart maintenance features. For mid-sized aquariums, the compact 07 Series (107 to 407) offers quiet, energy-efficient performance and ease of use. The lineup is rounded out by the AquaClear (AC) Series (AC20 to AC110) – durable hang-on filters that are easy to maintain and perfect for beginners or smaller setups. From nano tanks to monster aquariums, Fluval has the ideal filtration solution.