Sporting Goods 
Pet Supplies 
- Replacement filter cartridges, designed for use with all Marina Slim Filters, provide chemical, and biological chemical filtration
- Activated carbon effectively removes pollutants and odors to provide a healthy environment for your fish
- Ceramitek, a highly porous ceramic biological filter medium, optimizes biological filtration
- Easy to replace; recommended 2 week replacement intervals
- Includes 3 replacement filter cartridges
