The SUNSUN HW-603B External Canister Filter is a compact yet powerful solution for maintaining crystal-clear aquarium water. Consuming just 6 watts of energy, it delivers an efficient 400 L/hr flow rate, ideal for small to medium-sized freshwater and marine tanks. Its three-stage filtration process includes mechanical, chemical, and biological media options, ensuring optimal water quality. The filter operates quietly and comes with easy-to-install inlet and outlet tubing, making it a user-friendly choice for both beginners and seasoned aquarists. Whether you have a planted tank, breeding setup, or decorative aquarium, the HW-603B helps create a healthy environment for aquatic life.