Aqueon Replacement filter cartridges M 6 pk newly-released

Half box from a 12 pk, never opened - see pictures 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.VERSATILE - Fits Aqueon QuietFlow Filter: LED PRO Power Filter Size 10, Power Filter Size 10 and E Internal Power Filter Size 20. TRUSTED - Developed by true aquatic hobbyists, Aqueon provides a broad array of aquarium solutions to he excellent for everyday use. excellent materials and excellent craftsmanship ensure long-lasting durability.