The F3WGB32BM 4.5” X 20” 3-Stage Whole House Water Filter Set Replacement Pack is designed for effective filtration of water in residential homes. With a combination of sediment, carbon, and iron & manganese removal materials, this filter set provides clean and safe water for daily use. The 3-stage filtration system ensures thorough purification of water, making it suitable for various household needs. With dimensions of 10″D x 20″W x 10″H and weighing 16 pounds, this water filter set is a convenient and efficient solution for maintaining clean and healthy water in your home. Open Box Never Used