Aqueon Medium Aquarium Filter Cartridges, 9-Pack with Dual-Sided Floss and Carbon

Aqueon Medium Replacement Filter Cartridges are a 9-pack of dual-sided aquarium filter cartridges with dense floss and over 25% more activated carbon than leading brands, designed to help keep aquarium water clean.

• Medium size, 9 cartridges per pack — keeps replacement cartridges on hand.
• Dual-sided dense floss with over 25% more activated carbon than leading brands — combines floss and carbon in each cartridge.
• Patented design distributes activated carbon evenly — spreads carbon throughout the cartridge.
• Fits three Aqueon QuietFlow filter models — matches specified power and internal filters.
• Rinse under cold water and use the “FRONT” tab — makes cartridge preparation and orientation straightforward.
• Change approximately every 4 weeks for optimal performance — provides a practical replacement interval.

These replacement cartridges are made for aquarium owners maintaining a compatible Aqueon filter. The medium size is designed for the listed QuietFlow models, while the cartridge combines dense floss and activated carbon in a dual-sided format. Choose the cartridge by matching your filter model and size rather than by aquarium dimensions alone.

Which Aqueon filters do the Medium cartridges fit?

The Aqueon Medium Replacement Filter Cartridges fit the QuietFlow LED PRO Power Filter Size 10, Power Filter Size 10, and E Internal Power Filter Size 20. This compatibility makes them a replacement option for those specific Aqueon filter configurations.

• The cartridge is the Medium size.
• Aqueon replacement cartridges are also available in X-Small, Small, and Large.

How does the cartridge help keep aquarium water clean?

The cartridge pairs dense floss with high-quality activated carbon on a dual-sided design. Its patented construction is designed to distribute the carbon evenly, and the product contains over 25% more activated carbon than leading brands. Together, these are the cartridge’s stated features for aquarium filtration; no additional water-treatment result is implied.

• Both sides feature dense floss.
• Activated carbon is distributed evenly through the patented cartridge design.

How do I prepare and replace a cartridge?

Rinse the Aqueon cartridge under cold water before installing it, then orient it with the “FRONT” tab facing the front. For optimal performance, change the cartridge approximately every 4 weeks.

• Use cold water for the pre-installation rinse.
• Follow the printed “FRONT” orientation tab during installation.

Aqueon develops aquarium products with aquatic hobbyists and focuses on the health and well-being of fish and aquatic life. These Medium cartridges suit owners of the specified Aqueon filters who want dual-sided floss and activated carbon in a regularly replaceable cartridge. They are intended for the compatible filter models named above, with a replacement interval of approximately 4 weeks for optimal performance.