Aqueon QuietFlow Replacement Filter Cartridge – Medium
Designed for optimal water filtration, this dual-sided filter cartridge features dense-floss 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. This medium-sized cartridge is ideal for standard aquariums with moderate water flow needs.
| Feature | Detail |
|---|---|
| Filter Type | Dual-sided floss with activated carbon |
| Activated Carbon Content | Over 25% more than leading brands |
| Size | Medium |
| Installation | Front orientation tab for easy fit |
FAQ
How do I install the filter cartridge?
Rinse the cartridge under cold water and insert it with the FRONT orientation tab facing forward into the filter housing.
Can this cartridge be used in any Aqueon filter model?
Yes, this Medium cartridge is compatible with Aqueon QuietFlow filter models that accept medium-sized replacement cartridges.
How often should I replace the filter cartridge?
Replace every 3 to 4 months depending on tank size, fish population, and water conditions.

Julian Jones –
The filter performs well in my 10-gallon tank. Water clarity improved noticeably after a week of use. The installation was simple and the cartridge holds up well during regular cleaning cycles.
Nicholas Lawrence –
Good filtration with a noticeable reduction in odors. The dense-floss design seems to trap particles effectively. I’ve used it for two months and it still works efficiently.
Andrea Dowd –
I switched from an older filter and this cartridge makes a big difference. The water stays cleaner and the tank feels more balanced. Easy to install and maintain.