The first leading pitcher filter to remove 99.9-Percent of microbial cysts Also certified to reduce chlorine (taste and odor) and more Filters 40 Gallons/640 8-Ounce Cups per Filter, lasts up to 2 months Space saving design fits in the fridge so you can have cold, clean, great-tasting water whenever you want Our patented, secure-fit filter guarantees unfiltered water won't mix with your clean, filtered water