The GE RPWFE water filter is certified to reduce lead, sulfur, and over 50 other impurities, ensuring that you and your family have access to clean and great-tasting water. It is recommended to replace this filter every 6 months for optimal performance and results. This pack includes 1 count of the white GE RPWFE water filter, providing you with a convenient and reliable solution for your water filtration needs. Trust in GE to deliver high-quality and effective filtration for your home.