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Product Description

The FC-9540 Complete Set of Full 48 Sq Ft DE Filter Grids includes 7 full 24 inch DE filter grids and 1 partial 24 inch DE filter grid. This grid set is a direct replacement for Hayward Pro-Grid 48 Filters, Pentair FNS Plus 48 and Nautilus 48 Filters and Jandy DEL48 and DEV48 Filters in addition to Waterway and Astral 48 Sq Ft DE Filters. This set also fits several other pool filter models not listed above.

Filbur genuine replacement grids are designed for Diatomaceous Earth Filter applications. All grids are constructed with a special reinforced center core for added durability. Seams are stitched with heavy duty, chemical resistant string and are sonic welded to prevent fraying. Filbur's custom designed grid cloth with handle more backwashing than the competition.


  • Full Grids - 24" Length X 11" Wide
  • Partial Grid - 24" Length X 9 3/4"
  • 48 Square Feet
Known As:
Unicel FS-2004
Filbur FC-9540