Nautilus NS72 Filter Grid - 72 Square Feet - 36 Inches filter-length_32 7/8 inches This system combines power and

This system combines power and lighting control in one simple system

This filter requires four (4) 105 square foot filter cartridges

heavy-gauge 316 stainless steel rim

This is a set of 10 screws

Nautilus NS72 Filter Grid - 72 Square Feet - 36 Inches filter-length_32 7/8 inches This system combines power andThis is a Pentair Full Size 36 inch covered filter grid, 72 square feet, for the Nautilus and Nautilus Plus filters. This grid is sold individually. Seven (7) are required if you are replacing all in your pool filter. 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