Introducing the Aquarium Co-op Sponge Filter, the perfect solution for efficient and easy-to-use filtration in your fish tank. With just a few parts, this sponge filter is incredibly easy to set up and fits most sizes of tanks, making it perfect for any fish-keeping enthusiast. We've chosen to stock Aquarium Co-ops sponge filters because of their exceptional quality and reliability, ensuring that your fish receive the cleanest water possible. Compatible with an air pump and airline tubing, this sponge filter is an essential addition to any fish tank setup for optimal health and wellbeing of your aquatic pets. Say goodbye to complicated filtration systems - the Aquarium Co-op Sponge Filter is all you need for clean, clear water in your tank.