The Purex FC-9250 is the correct replacement filter grid for the following:
The Purex 60 DE Grid is a Purex pool filter grid compatible made by Filbur that can be used as a replacement filter grid for the several Purex and Pentair models. This pool DE grid can be used as a DE replacement filter grid for OEM Filter Grid 07-4925, Unicel Filter Grid FG-1260 and Pleatco Filter Grid PSC-60.
Filbur diatomaceous earth pool filter grids feature a reinforced center core for increased durability. All of the Filbur DE grids use a 100% polypropylene cloth with an excellent resistance to acids, alkalis, mildew and rot. This cloth is stitched with a chemical resistant string that is then sonic welded to prevent any tearing or fraying.
Filbur FC-9250 / Purex 60 DE Grid Specifications:
Complete pool filter grid replacement sets typically require seven of the universal large filter grids and one universal small filter grid. This only includes one filter.