S7D75/S8D110 Compatible Filter Grid Element Center Port - 18 x 15-3/16 Inches state_Georgia This ceramic pool depth marker

This ceramic pool depth marker is printed with 4 and has a smooth surface

The Communications Package is item #PCx-ETHCOM

and exceptional durability

With the CHEMCOM communications package (sold separately)

The Service-21 units mount securely to any trailer or 2 inch trailer hitch receiver for safe transport from pool-to-pool

S7D75/S8D110 Compatible Filter Grid Element Center Port - 18 x 15-3/16 Inches state_Georgia This ceramic pool depth markerThis is a Filter Grid Element with Center Port measuring 18 x 15 3 16 inches. It is designed to replace Pentair 23900 1174 which is used on Sta Rite System: 3 S8D110, S7D75 D. E. Filters. Two filter elements are required. Our generic OEM 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 over OEM units.