This is a Pentair Small Filter Grid Assembly, 72 square feet and 36 inches in height. This filter grid is designed for the Nautilus and Nautilus Plus pool and spa D.E. Filters. One is required.
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.
