1.Model number: 59023400 2.Compatibility:Compatible with 48 Square Feet FNS Plus Pool and Spa D.E. Filter 3.keep the pool water clear, and coverage area of 48 sq ft. 4.Easy installation and maintenance: The grid elements are securely connected through a central manifold for uniform alignment and efficient filtration 5.Please confirm the product model and compatible model before purchasing. Complete element grid assembly replacement