Aqueon Replacement Filter Cartridges, Small – 6pk
Engineered with a dual-sided design, these replacement filter cartridges offer over 25% more activated carbon than top competitors. The uniform distribution of carbon ensures superior water purification for your aquarium.
To install, simply rinse with cold water and align the cartridge using the front alignment tab for a quick and precise fit.
Product Specifications
| Feature | Detail |
|---|---|
| Cartridge Size | Small |
| Quantity Packaged | 6 pieces |
| Material | Activated carbon |
| Design | Dual-sided for enhanced carbon distribution |
| Installation Method | Align with front tab and rinse with cold water |
FAQ
How do I install the Aqueon Small filter cartridge?
Rinse the cartridge with cold water and align it using the front alignment tab for a quick and precise installation.
Are these cartridges compatible with all Aqueon filter models?
These Small cartridges are designed for Aqueon filter systems. Compatibility may vary by model; please check your specific filter manual for confirmation.
How long do these cartridges last before needing replacement?
Lifespan depends on water conditions and usage. Typically, replacement is recommended every 3 to 6 months for optimal performance.

Victoria White –
The filter cartridges work well in my 10-gallon tank. The carbon seems to improve water clarity after a few weeks. Installation was easy and the alignment tab makes it simple to fit properly.
Madeleine Rutherford –
I’ve used these for two months now and notice a steady improvement in water quality. The extra carbon seems to make a difference compared to older cartridges I tried before.
Amanda Avery –
Great value for the pack. I replaced my old cartridges and the water in my tank has become noticeably clearer. The dual-sided design helps with even carbon distribution.
Thomas Payne –
Works as expected, but I found the small size not ideal for a larger tank. Might be better suited for smaller setups. Still, it’s a reliable replacement.