This is a Sta-Rite Pentair DEP83/DES60 Filter Assembly Grid Element Center Port measuring 18 x 22 Inches. This grid fits Sta-Rite Swimquip Models DEP83 AND DES 60 Filters.
These grids are injection molded from 100% virgin, high impact styrene then covered with multi-filament polypropylene fabric. Each grid has been engineered with subtle design improvements specifically for this model and manufacturer.