Aqueon Replacement Filter Cartridges – Medium (6 Pack)
Designed for optimal water filtration, these dual-sided filter cartridges feature dense-floss construction with over 25% more activated carbon than leading brands. The patented design ensures even distribution of activated carbon for improved water clarity and odor control.
To use, rinse the cartridge under cold water and install with the FRONT orientation tab facing forward.
| Filter Size | Quantity |
|---|---|
| Medium | 6 pcs |
FAQ
How do I install the Aqueon Medium filter cartridge?
Rinse the cartridge under cold water and insert it into the filter with the FRONT orientation tab facing forward.
Are these cartridges compatible with all Aqueon filter models?
These Medium cartridges are designed for use with Aqueon filter systems that accept Medium-sized filter cartridges. Please verify compatibility with your specific model.
How often should I replace the filter cartridge?
Replace the cartridge every 3 to 4 months, depending on tank size, fish population, and water conditions.

Jake Howard –
The filter cartridges work well in my 20-gallon tank. Water clarity has improved noticeably after a few weeks. Easy to install and the carbon seems to last longer than previous brands I tried.
Felicity Roberts –
Good filtration performance. The medium size fits perfectly in my filter. I noticed less fish odor after switching to these cartridges. A bit more carbon than standard, which helps with water quality.
Jacob Parr –
Installed the new cartridges and the filter runs smoother now. The dense-floss design seems to trap more impurities. No leaks or issues after a week of use.