The Tetra 1-3i Aquarium Filter is quiet and effective. It attaches to the inside of a fish tank, letting fish owners keep the aquarium close to the wall to prevent tipping. The Tetra filter quietly removes debris from the tank, keeping it clean and maintaining the water quality that your pets need. Keep your aquatic animals in a fresh environment and help to maintain their overall health with this product. The whisper internal filter is made to last and provides better water aeration and circulation. All required components are included.