The Marineland Emperor Power Filter Pro Series Habitat 400 has an advanced multi-stage aquarium filter. Marineland power heater features a filter cartridge with twice the cartridge capacity and a superior wet/dry bio-wheel filtration. This bio-wheel power filter has an unprecedented flow and filtration efficiencies. Marineland Emperor Power Filter Pro Series Habitat 400 has two-pump design that can stand up to any aquarium or tank. This bio-wheel power filter is a fascinating showpiece for your house, home or anywhere. So, Marineland power heater is a unique combination of beauty, precision and 3-wheel filtration efficiency.