Pentair Spider Grid Locator | FNS Plus Filter | 59000500 Inlets & Skimmers Niche provides for flush mounting

Niche provides for flush mounting

Over-loading DE restricts flow

When replacing the screw set

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

enabling accurate automated management of heating

Pentair Spider Grid Locator | FNS Plus Filter | 59000500 Inlets & Skimmers Niche provides for flush mountingThe 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