The FC-9530 Complete Set of Full 36 Sq Ft DE Filter Grids includes 7 full 18 inch DE filter grids and 1 partial 18 inch DE filter grid. This grid set is a direct replacement for Hayward Pro-Grid 36 Filters, Pentair FNS Plus 36 and Nautilus 36 Filters in addition to Waterway and Astral 36 Sq Ft DE Filters. This set also fits several other pool filter models not listed above.

Filbur Vertical DE Filter Grids offer the best in durability and dependability and are made with a polystyrene frame which is covered with mildew and resistant polypropylene cloth along with a reinforced center core. They also feature sonically welded seams stitched with heavy duty, chemical resistant string designed to prevent fraying.