TetraFauna ReptoFilter Filter Cartridges, Size Medium, Filter Cartridge Refills, 3 Count

Replacing cartridges is fast and easy. Rinse the cartridge under cold water to remove carbon dust, then remove the TetraFauna ReptoFilter lid and insert the cartridge into “V” slots and slide it all the way down into the filter. Replace when water begins to backflow over the top of the clogged cartridge. TetraFauna products are trusted by pet owners to meet the needs of their exotic animals. Since 1951, Tetra has developed the world’s most comprehensive body of fish food knowledge, and fishkeeping enthusiasts have looked to the brand for products and solutions that add ease and beauty to their home. Whether you're an experienced hobbyist or just starting out, Tetra has everything you need – from a large variety of quality fish food and innovative equipment to test kits and decor.