Aqueon Medium Aquarium Filter Cartridges, 12-Pack with Activated Carbon

Aqueon Replacement Filter Cartridges Medium are a 12-pack of aquarium filter cartridges designed to help keep aquarium water clean, with over 25% more activated carbon than leading brands.

• Dual-sided dense-floss construction — provides filtration on both sides of each cartridge.
• Patented carbon distribution — spreads activated carbon evenly through the cartridge.
• Activated carbon — helps keep aquarium water clean.
• Approximately four-week replacement schedule — gives aquarium owners a routine maintenance interval.
• Available in X-Small, Small, Medium and Large — offers multiple cartridge sizes within the Aqueon range.

These replacement cartridges are made for maintaining aquarium filtration with compatible Aqueon filters. The Medium size is suited to the compatible filter models below, while the rinse-and-install design makes cartridge replacement a straightforward part of regular aquarium care.

How does the cartridge support aquarium filtration?

Each cartridge combines dense floss with activated carbon across its two sides. It contains over 25% more activated carbon than leading brands, and its patented design distributes that carbon evenly. Aqueon uses activated carbon intended to help keep aquarium water clean.

• The cartridge combines mechanical floss and activated carbon in one replacement component.
• The even-distribution design is patented.

Which filters does the Medium cartridge fit?

The Medium Aqueon Replacement Filter Cartridge fits three Aqueon filters: QuietFlow LED PRO Power Filter Size 10, Power Filter Size 10 and E Internal Power Filter Size 20. Match the filter model name when choosing this cartridge so the replacement is compatible with your setup.

• Compatible with the QuietFlow LED PRO Power Filter Size 10.
• Also fits the Power Filter Size 10 and E Internal Power Filter Size 20.

How do I rinse, install and replace the cartridge?

Rinse the cartridge under cold water before installing it, then use the “FRONT” orientation tab to position it correctly. For optimal performance, Aqueon recommends changing the cartridge approximately every four weeks.

• Rinse with cold water before installation.
• Orient it using the printed “FRONT” tab.

Aqueon products are developed by aquatic hobbyists, with a focus on helping maintain healthy aquatic environments and supporting the health and well-being of fish and other aquatic life. This Medium 12-pack is for aquarium owners using one of the three compatible Aqueon filter models who want a replacement cartridge with dense floss and activated carbon. Its model-specific fit and clear installation orientation make it suited to routine filter maintenance.