Aqueon Replacement Filter Cartridges, Medium, 12pk

Aqueon Replacement Filter Cartridges, Medium, 12pk, are crafted with a dual-sided design, incorporating dense floss and over 25% more activated carbon compared to top competitors. These uniquely patented cartridges promote uniform distribution of carbon for optimal filtration. For use, simply rinse under cold water and install effortlessly with the help of the "FRONT" alignment tab.