The i25 Replacement Power Cartridge is made specifically to fit inside the i25 internal filter. The outside of the power cartridge features polyester foam to trap fine particles; while the inside chambers contain carbon to remove pollutants and odors; and zeolite to eliminate toxic ammonia for a cleaner, healthier aquarium environment and crystal clear water. For best results replace every 4 weeks.
For more fish tank accessories check out the other products including aquarium filters, filter media, aquarium heaters, aquarium air pumps, aquarium lights, aquarium decorations, aquarium gravel, aquarium rocks, aquarium thermometers, and aquarium stands. has a wide variety of products that are perfect for your pet fish or betta fish to enjoy in any large fish tank, small fish tank or in a freshwater tank.
Replacement filter cartridges provides mechanical, biological, and chemical filtration
Polyester foam traps fine debris; carbon removes pollutants and odors; and zeolite eliminates toxic ammonia
Improves color and clarity of water and provides a healthy environment for your fish
Easy to replace; recommended 4 week replacement intervals
Includes 2 replacement filter cartridges designed for use with all I25 Filter