Pentair Spider Grid Locator | FNS Plus Filter | 59000500 Inlets & Skimmers When replacing the screw set

When replacing the screw set

The deck lid and ring assembly forms the visible surface-level cover of the QuikSkim in-deck skimmer

Length 17 3/8" Outer Diameter 8 15/16" Top Inner Diameter 4" Bottom Inner Diameter 4" Material 4 oz

220132 — Nordic Hot Tubs — — Models manufactured before July 1999 only Thermo Spas of Connecticut — — — (This is not an exhaustive list

Over-loading DE restricts flow

Pentair Spider Grid Locator | FNS Plus Filter | 59000500 Inlets & Skimmers When replacing the screw setThe Pentair Spider Grid Locator (59000500) is the OEM replacement bottom grid locator spider for the Pentair FNS Plus series D. E. filters. What It Does The bottom spider grid locator positions and retains the filter grids at the base of the filter tank, keeping each grid element correctly spaced and aligned during operation. A cracked or deformed locator allows grids to shift, which can result in uneven D. E. coating, channeling, and D. E. passing