Filbur Universal DE Filter Grid Set includes 7 Full Grids and 1 Partial.
Full Grids - 18" Length X 11" Wide
Partial Grid - 18" Length X 9 3/4"
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.