This is a Pentair 59005400 Small Grid Assembly for 88 GPM Warrior Pool/Spa D.E. Filters. Measurements are 36 inches x 7-1/2 inches.
Pentair filter 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.
