Nautilus/FNS Filter Grid Element 24 Square Feet - 12 Inches D.E. Full Grid size-in-gallons_51-100 Fits PowerMax PM models 500

Fits PowerMax PM models 500

The pH control level can be adjusted from 6

Aluminum (No

This vinyl depth marker will allow you to paint "6 INCHES" with a 4 Inch letter height

Nautilus/FNS Filter Grid Element 24 Square Feet - 12 Inches D.E. Full Grid size-in-gallons_51-100 Fits PowerMax PM models 500This is a Pentair Large Full Grid Assembly for FNS24 Pool and Spa D. E. Filter, Nautilus NS24 and Nautilus Plus NSP24 Pool and Spa D. E. Filters. 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 specifically for this model and manufacturer.