Catit Fresh & Clear Drinking Fountain Replacement Carbon / Foam Filter Cartridge

The Hagen Catit Fresh & Clear Replacement Foam/Carbon Filter is for use with the Catit Fresh & Clear Drinking Fountain for Cats. This Replaceable filter collects debris, food and sediment, reduces bad tasting water, odors and absorbs impurities present in tap water. The filter should be replaced every three weeks or when the filter becomes visibly saturated with foreign matter. Package of 3 filters.