Nautilus/FNS Filter Grid Element 48 Square Feet - 24 Inches D.E. Full Grid fitting-type_Return They provide up to 12

They provide up to 12 ON/OFF operations each day with a minimum ON/OFF time of 1 hour

which has been used successfully to repair leaking PVC joints

This Emergency Wading Pool Shut Off Sign measures 10 x 12 inches

It is US Coast Guard approved and has a solid foam outer surface

For edging: 1 tube per 17 feet of edging

Nautilus/FNS Filter Grid Element 48 Square Feet - 24 Inches D.E. Full Grid fitting-type_Return They provide up to 12This is a Pentair Large Full Grid Assembly 48 square feet for FNS48 Pool and Spa D. E. Filters, Nautilus NS48 and Nautilus Plus NSP48 Pool and Spa D. E. Filters. This grid is sold individually. Seven (7) are required if you are replacing all in your pool filter. 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