Nautilus NS72 Filter Grid - 72 Square Feet - 36 Inches filter-length_32 7/8 inches or rough concrete surfaces

or rough concrete surfaces

This is a Pentair Replacement O-Ring for Check Valve Screw Cap

This system combines power and lighting control in one simple system

Hardware is included: 3/8 inch x 2-3/4 inch bolts and hex nuts

Nautilus NS72 Filter Grid - 72 Square Feet - 36 Inches filter-length_32 7/8 inches or rough concrete surfacesThis 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