These replacement filter cartridges have been specially designed for the Marina i25 submersible filter. Their exterior surface is lined with polyester foam to collect small particles, and their interior chambers contain carbon to eliminate pollutants and odors, as well as zeolite to remove toxic ammonia.
The result: clean, healthy and crystal-clear aquarium water.
Note: For best results, replace cartridges every 4 weeks.
Pack of 2
Provide mechanical, biological and chemical filtration
Polyester foam that traps small debris; charcoal that eliminates pollutants and odors; zeolite that removes toxic ammonia
Easy to replace