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 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.

Dimensions:

• Full Grids - 18" Length X 11" Wide
• Partial Grid - 18" Length X 9 3/4"
• 36 Square Feet