This is a Wowreed FS-2004 48 Sq Ft DE Grid Pool Filter Replace Set Unicel FS-2004. It is new in box. Free shipping from US seller.
Compatible with FS-2004, PFS2448, FC-9540, PG-1904, FG-1004, FNS 48, 59002300.
SPECIFICATIONS: Width: 11"；Length: 24"；1 SET: 7 full grids (24" x 11") and 1 partial grid (24" x 9-3/4"); Filtration Area: 48 sq. ft.