Keep your fish tank clean and fresh for you fish with the Ceramic Filter Rings from Tetra. This practical addition to your tank will keep the water clean and liveable for longer. This bag is the simple way to keep your filtration system topped up, keeping your tank clean for longer. It is perfect for biological filtration, ideal for bacteria growth that helps steady the quality of the water. It is suitable for use with EX 600/700/1200 filters.
