Nautilus/FNS Filter Grid Element 48 Square Feet - 24 Inches D.E. Full Grid fitting-type_Return SB-190 is a one-part sealant

SB-190 is a one-part sealant that is weather proof and can be used on rubber

Available in several designer colors

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

This Strantrol compatible replacement probe is made for Strantrol controllers and meets the manufacturer's specifications to operate the Strantrol controllers

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

Nautilus/FNS Filter Grid Element 48 Square Feet - 24 Inches D.E. Full Grid fitting-type_Return SB-190 is a one-part sealantThis 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