Aquarium Sponge Filters

Brand-new sponge filters suitable for aquariums from 5 to 20 gallons. These provide gentle mechanical and biological filtration, perfect for shrimp, bettas, fry, and community fish. They are easy to clean and reuse, air-driven, quiet, and efficient. Great for keeping aquarium water clean, healthy, and safe for your fish! An ideal upgrade or backup filter for any fishkeeper.