3 pack of disposable, easy to use filter cartridges deliver exceptional mechanical and chemical filtration as they effectively trap and remove unwanted waste material and odors. Plus, the porous filter media provides an optimum site from the colonization of useful bacteria. Change your media in seconds with these ready to use cartridges. Just rinse and then snap into bottom of filter. Change filter cartridge every three to four weeks depending on number of fish and amount of daily feedings. Made in China.
