Preassemlbed cartridges are filled with premium grade Black Diamond activated carbon to provide clean, sparkling aquarium water. 3 pack.
Eclipse filter cartridges provide superior mechanical and chemical filtration. 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 1lighting 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.