The FLUVAL FX6 High Performance Canister Filter is a top-of-the-line filtration system designed for aquariums up to 400 gallons. With a flow rate of 563 gallons per hour, this unit is suitable for both freshwater and saltwater environments. Manufactured by Fluval, a trusted brand in the pet supplies industry, this canister filter offers efficient and effective water filtration for a clean and healthy environment for your aquatic pets. Whether you are a seasoned aquarist or a beginner fish enthusiast, the FLUVAL FX6 is a reliable and high-performance filter that will meet your needs.