Nautilus/FNS Filter Grid Element 48 Square Feet - 24 Inches D.E. Full Grid state_Alaska and a significant decrease in

and a significant decrease in water hammer protecting the shaft and impeller

It has 15 training modes to fine-tune skills and create customized workouts

and is designed to prevent downing

It includes the following items:

Nautilus/FNS Filter Grid Element 48 Square Feet - 24 Inches D.E. Full Grid state_Alaska and a significant decrease inThis 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