The Replacement filter cartridge replaces Unicel # C-7660, Pleatco # PFAB60, Filbur # FC-1930 and OEM # R173298. It is a top quality filter cartridge that gives you dust, worm and sand free pure water for pools and spas. It is capable of handling the top load of 60 sq ft and most suitable for Pentair Pool Products-Pac Fab Re, Wet Institute, Pentair Pool Products. This 14 inch long and 7 7/8 inch wide filter cartridge has open holes of 3 1/16 inch both at top as well as bottom. It can be replaced very easily without any hassle.