Generic Partial Filter Grid Element for Pro-Grid DE4820 and FNS/Nautilus Filters - 48 Square Feet discharge-pipe-size_1 1/2" This is a Stenner VPD

This is a Stenner VPD Meter with 3/4 Inch Vertical Mount

and extreme heat)

125 inches

It can also be used with wet and dry vacs

Generic Partial Filter Grid Element for Pro-Grid DE4820 and FNS/Nautilus Filters - 48 Square Feet discharge-pipe-size_1 1/2" This is a Stenner VPDThis is a Generic Partial Filter Grid Element replacement for 48 square foot Pro Grid DE4820, FNS and Nautilus D. E. filter grid elements. This is a partial filter grid assembly measuring 24 inches. This grid fits Hayward Pro Grid DE4820, Pentair FNS, Nautilus NS and Nautilus Plus NSP 48 square foot filters. Our generic OEM grids are injection molded from 100% virgin, high impact styrene then covered with multi filament polypropylene fabric. Each grid