Aqueon Replacement Filter Cartridges, Large – 6 pk
Designed with a dual-sided structure, these large filter cartridges contain over 25% more activated carbon than leading competitors. The enhanced carbon distribution ensures improved water purification and longer-lasting performance.
Each cartridge is easy to install: rinse with cold water before use and align using the FRONT tab for a secure fit. Available in X-Small, Small, Medium, and Large sizes to match various filter systems.
| Size | Activated Carbon Content |
|---|---|
| Large | Over 25% more than competitors |
FAQ
How do I install the large filter cartridge?
Rinse the cartridge with cold water before use, then align it using the FRONT tab for a secure fit.
Are these cartridges compatible with all Aqueon filter models?
These large cartridges are designed to fit Aqueon filter systems with the FRONT alignment tab. Compatibility may vary by model; please verify with your specific filter unit.
How long do these cartridges last before needing replacement?
Lifespan depends on tank size, fish population, and water conditions. Generally, replacement is recommended every 4 to 6 months for optimal performance.

Dominic Springer –
The large filter cartridge fits perfectly and the carbon seems to improve water clarity noticeably. Easy to install and lasts longer than the previous ones I used.
James Fraser –
Good performance after a few weeks. The dual-sided design helps distribute carbon evenly, which I noticed in my tank’s water quality.
Rebecca Lewis –
I replaced my old filter cartridge with this one and saw a significant improvement in water clarity. The installation was simple and the fit is secure.
Dylan Mitchell –
Works well with my 55-gallon tank. The carbon content is noticeably higher, and the filter runs smoothly without clogging.