Official Aqua One 4i Impeller for use with AquaStyle 850, AquaStyle 850 and UFO 700 aquariums. Filter Pump Impellers work extremely hard, spinning tens thousands of times a day, every day of the year, so we recommend replacing this hard working component every 12 months.
Official Aqua One 4s Black Sponge Pad for use with AquaStyle 850 Series aquariums from Aqua One. The 4s may be rinsed in discarded aquarium water and reused. Replace every 12 months as the cell structure starts to deteriorate.
It's never been easier to keep your aquarium in great shape with this Complete Renewal Kit for AquaStyle 850 from Aqua One, which contains all the essential filter media that came with your aquarium. The easiest and most cost effective aquarium maintenance solution, from Aqua One Parts.