Top Fin EF-S Element Filter Cartridge 3 Month Supply 2.1 in X 3.7 in
- Replacement filter cartridges with a combination of carbon and zeolite.
- Chemical filter media removes pollutants and odors from aquarium water.
- Improves color and clarity of water and provides a healthy environment for your fish.
- Designed for use with all Marina 1 Gal. (3.7 L) aquariums including the Marina Pirate Aquarium Kit (13310) and Marina Mermaid Aquarium Kit (13311).
- Includes 3 replacement filter cartridges.