Name: Aqueon Replacement Filter cartridge Medium 12 pack
Description: Designed for the Aqueon QuietFlow internal filter e 3g, this cartridge is
packed with floss and pollutant-absorbing activated carbon to keep your tank looking
great.
Features: Aqueon 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 the even distribution of activated carbon.
Size: Medium
Directions: To use, simply rinse under cold water and easily install using the "FRONT"
orientation tab.Replace every 4-6 weeks.