TetraFauna® ReptoFilter® for frogs newts and turtle terrariums is the only terrarium filter you’ll need. With efficient three-stage filtration TetraFauna ReptoFilter promotes clean clear water in as little as 2 inches of water making it ideal for the low-level aquatic environments small aquatic animals prefer. This small filter is easy to conceal behind a plant or other decorative object and its lid keeps reptiles out. It removes debris discoloration s and ammonia from terrariums. TetraFauna ReptoFilter is easy to set up – simply attach the suction cups and insert the cartridge – and simple to clean. Replace the filter cartridge every four weeks. You can even create a waterfall by camouflaging the filter with rocks. This UL Listed product features a 2-year limited warranty – see product label for details. This filter provides efficient filtration for terrariums up to 20 gallons. Uses TetraFauna ReptoFilter Cartridges (size medium). 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.