Harnessing state of the art filtration technology, these pitchers make sure you can enjoy crisp, contaminant free H2O - so take a sip and quench your thirst worry free. With NSF certification, ICEPURE water filters are guaranteed to remove up to 99% of impurities, including chlorine, lead, and other harmful chemicals. This means you can enjoy great - tasting water without worrying about the negative health effects of these contaminants. The ICEPURE CRF - 950Z Pitcher Water Filter Replacement is compatible with a variety of models, including PUR CR - 1100C and other dispensers. It's recommended to replace your filter every two months or after filtering 40 gallons of water, whichever comes first. One of the most common home water filtration options is the water pitcher with a built - in filter compartment. With ICEPURE water jugs, you can enjoy the convenience of having clean and refreshing water at your fingertips without having to constantly buy bottled water.