Aqueon Filter Cartridge Large 6 Pack Customizable filtration – OASE offers

Customizable filtration – OASE offers additional chemical media cartridges that can be added to the BioStyle filter based on your aquarium needs

Stage 5 – Specialty filter pad option for additional carbon

water conditioner and setup guide

and even multi-colored variations

For assistance in weight management

Aqueon Filter Cartridge Large 6 Pack Customizable filtration – OASE offersAqueon Replacement Filter Cartridges are dual sided, featuring dense floss with over 25% more activated carbon than the leading brands. These patented cartridges were designed to ensure even distribution of activated carbon. To use, simply rinse under cold water and easily install using the "FRONT" orientation tab. Aqueon Replacement Cartridges are available in: X Small, Small, Medium and Large. Replace cartridges every 4 weeks for optimal performance.