Genuine replacement filter that comes in pack of four. This is a superior water filtration device. PUR faucet water filter helps to reduce over 70 contaminants which include lead & chlorine. This is done by using activated carbon & ion exchange. It was observed that when you use PUR water filter for tap water, it is more affordable than bottled water, thereby saving up to $1, 000 per annum. You would agree that these contaminants do enter the water system on a daily basis. This is the reason filtration cannot be over emphasized. It is very important as your health is important to you. Former price $44.99, present price $25.88 as discount of 42% is involved.