A unique combination of beauty, precision three-stage filtration efficiency, the compact System Three is a fascinating showpiece for home or office. System Three puts filtration, lighting and maintenance at your fingertips. And it has Bio-Wheel--the undisputed leader in biological filtration. The Eclipse System Three is easy to install and easy to operate, and it adds a touch of beauty and excitement wherever you display it. There are no hoses or noisy air pumps. The hinged access panel lifts effortlessly for feeding, water changes, and general maintenance. And because all filtration media is inside the top mounted frame, rear space requirements are minimal. The injection-molded three-gallon acrylic aquarium provides a panoramic 360 degrees of prime viewing area for maximum enjoyment.