This is a L-Fongda S7M120 System 3 Pool Filter Replacement Compatible Sta-Rite 25021-0200S. It is new in box. Free shipping from US seller.
This 300-square-foot filter element is a perfect replacement for Sta-Rite System 3 models S7M120, 25021-0200S, and 25022-0201S.
External Filter Cartridge (200 sq ft): OD: 16-1/2“, Length: 18-3/4” Internal Filter Cartridge (100 sq ft): OD: 8-3/4“, Length: 25-1/4” Total filtration area: 300 sq ft