Tetra Whisper Power Filter for Aquariums, 3 Filters in 1, Up to 40-Gallons, Black & Gray

For 50 years, fishkeeping enthusiasts have looked to the Tetra name 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. Tetra Whisper Power Filters eliminate toxic ammonia and nitrites for a crystal clear aquarium. These cartridges are economical and easy to use. Whisper cartridges are quiet and dependable. These filters work for up to 40 gallon aquariums and use Large Bio-Bag cartridges. Convenient flow control allows you to turn down flow to promote better feeding and extend cartridge life by reducing uneaten food particles that can cause clogging. Quiet, reliable 3 stage filtration works to create clear and healthy water for a thriving aquarium. Filtration Stages: mechanical filtration catches debris and fish waste; chemical filtration absorbs odors and discoloration; and biological filtration eliminates toxic ammonia and nitrites.