Marina i25 Internal Filter Refill Cartridge – 2 pcs

• 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 and crystal clear water.
• Provides mechanical, biological, and chemical filtration, Polyester foam traps fine debris; carbon removes pollutants and odors; and zeolite eliminates toxic ammonia, Easy to replace. Designed to fit the Marina i25 Internal Filter (A131)