Marina I25 Power Cartridge, Replacement Aquarium Filter Media, 2-Pack, A134

The Marina i25 Replacement Power Cartridge is made specifically to fit inside the Marina 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 Marina products including aquarium filters, filter media, aquarium heaters, aquarium air pumps, aquarium lights, aquarium decorations, aquarium gravel, aquarium rocks, aquarium thermometers, and aquarium stands. Marina 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 Marina I25 Filter

Source reference: https://www.amazon.com/dp/B0032GCCQE