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

When replacing the screw set

Vac Adapter plate and elbow used to attach vacuum hose to skimmer

Hayward Part Number SPX1082K UPC 610377036979 Fits Into

Over-loading DE restricts flow

Filter manifold

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