MULTI-STAGE FILTRATION: Delivers mechanical, chemical and biological aquarium filtration to maintain a clean aquatic environment. COMPATIBILITY: Use with Marineland Rite-Size Filter Cartridges (see individual filter for sizing recommendations). FIVE SIZES: Available in 75 GPH, 100 GPH, 150 GPH, 200 GPH and 350 GPH sizes.. Feb 03, 2013 ยท Feb 3, 2013. #9. The penguin biowheels are not that great, and here's why. The water that spins the wheel has already run through the filter, meaning that there is a minimal amount of ammonia, if any, left in the water, so the bacteria colony they can sustain is not that big. The emperors, on the other hand, have a second pump that delivers .... This power filter contains BIO-Wheel technology to provide wet/dry biological filtration for nitrifying bacteria growth and eliminating toxic ammonia and nitrate fast. Uses Marineland Rite-Size B Filter Cartridge. Filters your 20-gallon aquarium six times per hour with flow control up to 125 GPH. "/>Marineland penguin 350 power