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fast and easy to do in less than 2 minutes
Three-stage BIO-Wheel® filters for freshwater and saltwater aquariums
Ferrous Proteinate
so ensure a stable rock structure to prevent collapses
making them entertaining to observe
Aqueon Filter Cartridge Medium 6 Pack fast and easy to doAqueon 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.