swimming pool DE filter set - $70 (Newark)

The Filters Fast® FF-0531 Replacement for Filbur FC-9530 DE Filter Set Pool & Spa combines the filtering superiority of Diatomaceous Earth (D.E.) with the convenience of a filter cartridge. D.E. filters down to 5 microns, leaving your pool water clean and sparkling clear. This Universal Pro Kit 36 filter features 100% Polypropylene cloth media. This universal kit contains 7 full and 1 partial D.E. grid. Specifications: Brand: FiltersFast Part Number: FF-0531 Pack Size: 7 Large D.E. Grids, 1 Small D.E. Grid Diameter: 11" (Full Size), 9 3/4" (Partial Size) Surface Area: 36 Sq. Ft. Length: 18"