Tidal™ Power Filters are designed from the ground up to provide aquarium with high-quality, comprehensive filtration. They are easy to use and adaptable to a variety of aquarium conditions. With a host of features including a self-priming pump, dual water intake with surface skimmer, adjustable flow, maintenance monitor, self-cleaning impeller, and a filter basket that holds any kind of filtration media - and more of it . They are suited to a wide variety of aquarium setups from saltwater to freshwater, ranging upto 300L. All Tidal™ Filters have a 3 year warranty.