The Genuine Pur PLUS Water Filter Pitcher Replacement 3-Pack (CRF950Z) is a set of three high-quality water filters designed specifically for the Pur PUR MAXION Water Pitcher. These filters are compatible with the model RF-9999 and provide clean and safe drinking water by removing impurities and contaminants from your tap water. Made by the trusted brand PUR, this replacement 3-pack ensures that you have a constant supply of fresh and filtered water for your household's needs.