Emperor Power Filter Systems are advanced aquarium technology at its finest. With a revolutionary design, the Emperor’s flow and filtration efficiencies are unmatched by other filters in their class. Featuring as much as twice the filter cartridge capacity, additional chemical filtration capability, and extra-large, spray bar-driven BIO-Wheel wet/dry biological filtration, Emperor Filter systems offer aquarists a filtration system that can stand up to any aquarium they can dream of. The BIO-Wheel Emperor Power Filter filters 400 gallons per hour. Features & details WITH ROTATING BIO-WHEEL: Patented Bio-Wheel technology provides excellent wet/dry biological filtration MULTI-STAGE FILTRATION: Delivers mechanical, chemical and biological aquarium filtration to maintain a clean aquatic environment. POWERFUL: Certified flow rate of 400 GPH in aquariums up to 80 gallons. MARINELAND FILTRATION PRODUCTS: Count on Marineland brand for the most reliable, technically advanced aquariums and accessories on the market. REPLACEMENT CARTRIDGES: Use with two Marineland Rite-Size E Filter Cartridges (purple label). Pickup in Wedgwood, asking $25 obo