The Aqueon Medium Filter Cartridge Replacement is a dual-sided dense-floss filter cartridge for your Aqueon aquarium. It installs in seconds and fits the Aqueon QuietFlow 10 Power Filter model. This unique cartridge contains over 25% more activated carbon than most comparable cartridges and ensures even carbon distribution for thorough filtration. The patented design helps enhance water quality and clarity and increase oxygen levels. This replacement filter cartridge will help keep your tank cleaner longer as particles, debris, impurities and odors are filtered out.