The Hikari Aquarium Solutions Bacto-Surge Sponge X Large Filter Kit is designed to effectively filter water in aquariums up to 125 gallons. Made by the trusted brand Hikari, this foam/sponge filter is easy to clean and suitable for all water types. With its internal filter location, it provides efficient filtration while being gentle on fish and other aquatic animals. This kit is perfect for maintaining a clean and healthy environment for your aquatic pets.