(2) Aqueon Replacement Filter cartridges. Medium 12pks. 24 Cartridges Total

About this item (2) Boxes of 12 Included. 24 Total Cartridges 25% MORE ACTIVATED CARBON – Aqueon Replacement Filter Cartridges are dual-sided, featuring dense-floss with over 25% more activated carbon than the leading brands. HIGH-QUALITY ACTIVATED CARBON – The cartridge contains high-quality activated carbon that keeps water clean. EVEN CARBON DISTRIBUTION – Aqueon’s patented cartridges were designed to ensure the even distribution of activated carbon. EASY INSTALLATION – Simply rinse under cold water and easily install using the “FRONT” orientation tab. OPTIMAL PERFORMACE – For optimal performance, change approximately every 4 weeks.