This Fluval FX6 Canister Filter is the perfect fit for aquariums up to 400 gallons. With a flow rate of 925 gph, it ensures efficient and effective filtration for both freshwater and saltwater aquariums. Made in Italy, this unit is of high quality and is reliable for long-term use. The filter is easy to install and maintain, making it a popular choice among aquarium enthusiasts. It is designed to be placed externally, and its compact size ensures that it does not take up too much space. This unit is a non-custom bundle and is not modified, making it an excellent choice for those who prefer to have a brand new product. Its brand, Fluval, is known for its high-performance aquarium products.