The X2 Refresh Premium Refrigerator Water Filters R-3600-S are compatible with GE RPWF filters. Designed by GE, these water filters are specifically made for use in GE refrigerators. The R-3600-S model ensures that your water is clean and fresh, providing you with a reliable and efficient filtration system for your home. These filters are easy to install and offer a convenient solution for maintaining the quality of your water in your refrigerator.