Vortex XL Diatom Filter - 8 in. x 15 in.
The Vortex Diatom Filter Model XL  is a high-speed mechanical filter that is designed to fine filter aquarium water without disturbing the natural bacteria levels. The filter is invaluable in keeping a parasite-free, clean, well balanced and healthy aquarium. It can be used for fresh and saltwater tanks up over 55 gallons with an active flow rate of 200-350gph. It has 432 square inch filter area. The Diatom Filter is equipped with a 3000 RPM motor shaft that is connected directly to the impeller. It is designed for continuous yearround operation at a maximum of 8 hours per week at a time (it should not be run all the time but does not need to be used only when a problem is present - it can be used as part of a weekly maintenance routine).     The Diatom XL filter features and adjustable and directional flow and has an electrical on-off switch. It has a thermally protected motor which provides quiet operation. The filter is self-contained and back- flushes clean without taking the filter apart.