Aqueon Filter Cartridge Medium 6 Pack Three-stage BIO-Wheel® filters for freshwater

Three-stage BIO-Wheel® filters for freshwater and saltwater aquariums

Brown Rice

so ensure a stable rock structure to prevent collapses

Dried Egg Product

Ferrous Proteinate

Aqueon Filter Cartridge Medium 6 Pack Three-stage BIO-Wheel® filters for freshwaterAqueon 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.