Hydor Koralia 1 Aquarium Circulation Pump - 3.5W - 400 gph

Revolutionary design allows you to magnetically attach this aquarium circulation pump anywhere in your aquarium, avoiding the normal hassle of aquarium equipment clutter. Powerful magnets are able to penetrate glass up to 15mm thick. Designed to be extra-energy efficient and long-lasting, using an astoundingly low 3 1/2W of power. Sphere-shaped connection allows you to easily adjust flow in any direction to fit your specific needs. Magnetic/Suction Cup connection allows amazing stability in any postion. Unique impeller design ensures hydraulic performance and energy efficiency. _____________________________________________________________________________________