Rite Size H Cartridges 3pk for the Eclipse 2 (PFE-2) and the Eclipse 3 (PFE-3) Filtration Systems

They screen out dirt while removing discoloration and odor-causing waste and harmful contaminants. Each cartridge is packed with the highest grade activated carbon available. The horizontal cartridge design and patented ribbed back ensure even carbon distribution and 100% water to carbon contact with no by-pass, resulting in the cleanest, clearest water. And it couldn't be easier to use these preassembled cartridges, just shake, rinse and install, then replace approximately once a month. The Eclipse 1 cartridge fits the Eclipse 1 lighting and filtration hood as well as the Eclipse System 12. The Eclipse 2 and 3 cartridges fit the Eclipse 2 and 3 lighting and filtration hoods.