Generic Full Filter Grid Element for Pro-Grid DE3620 and FNS/Nautilus Filters - 36 Square Feet filter-internal-diameter_2 1/8 inches It's like adding a DE

It's like adding a DE Filter to a pool

standard 1/4 inch ferrules

On the floor

SP1090WM Automatic Skimmers

the textured and patented AquaGrip

Generic Full Filter Grid Element for Pro-Grid DE3620 and FNS/Nautilus Filters - 36 Square Feet filter-internal-diameter_2 1/8 inches It's like adding a DEThis is a Generic Full Filter Grid Element replacement for 36 square foot Pro Grid DE3620, FNS and Nautilus D. E. filter grid elements. This is a full grid assembly measuring 18 inches. This grid fits Hayward Pro Grid DE3620, Pentair FNS, Nautilus NS and Nautilus Plus NSP 36 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 has been