Protect your family s health and enjoy cleaner better-tasting water with every sip glass or pitcher thanks to the PUR Pitcher Replacement Water Filter. While your tap water may look clean it can contain potentially harmful contaminants picked up on its journey through aging pipes. The PUR water filter replacement uses MAXION technology with activated charcoal and ion exchange for superior filtration performance and innovation. It is easy to use and exchange. Simply soak it flush it and then place it into the pitcher. Remember to replace your dispenser water filter after 40 gallons of use or every 2 months. This convenient three-pack makes it easy to always have a fresh clean PUR Pitcher Replacement Water Filter on hand.