DE Filter Full Grid 18 inch for 36 Sq Ft Filters FC-9330, FG-1003

These 18 inch replacement full size grids are for use in Diatomaceous Earth or DE filters and fit 24 Sq Ft filters. The FC-9330 Grid measures 18 inches x 11 inches and are made with a reinforced center core, a polystyrene frame and covered with rot and mildew resistant polypropylene cloth. Heavy-duty, chemical resistant string is used to stitch the seams and the seams are sonic welded to prevent fraying. These grids are compatible with PacFab/Pentair, American Products, Hayward, Sta-Rite and Astral DE filter systems among others. A complete grid set requires 7 full grids and 1 partial grid but grids may be replaced one at a time.