In The Swim 36 sq. ft. Complete DE Pool Filter Grid Set (7 Full, 1 Partial) AA18004 - Replacement 36 sq. ft. DE Pool Filters

Upgrade your pool filter with this universal grid set, containing 7 full and 1 half DE grids Compatible with 36 sq. ft. American, Astral, Hayward, Jandy, Pac-Fab, Pentair, and Waterway DE pool filters Suitable replacements for Pleatco PFS1836, Unicel FS-2003, and Filbur FC-9530 Dimensions: 18 inches length x 11 inches outer diameter, 36 sq. ft media surface area Material: Made of woven polypropylene resins for maximum strength and filtration