Oceanic Bio Cube Original Replacement Filter Cartridges

The Coralife BioCube Filter Cartridge includes 2 replacement cartridges that fit the BioCube 8, 14, 29, and HQI. These cartridges help keep your aquarium water crystal clear and removes discoloration and nasty odors!
Keeps water crystal clear
Removes odors and discoloration
Easy to remove and change once a month
It is recommended that cartridges be changed every 4 to 6 weeks.

Note: Formerly called Oceanic BioCube Original Replacement Filter Cartridges, Model #82105.