The PurePlus RWF4700AC Replacement Refrigerator Water Filter is designed to effectively remove chlorine taste and odor from your drinking water. With the model number RWF4700AC and compatibility with the Ref4700ac filter, this filter is specifically made to fit your refrigerator water purification system. Each pack contains one filter, ensuring you have a reliable and efficient solution for clean and refreshing water. The PurePlus brand guarantees quality and performance in keeping your water safe and delicious.