Pentair Spider Grid Locator | FNS Plus Filter | 59000500 Inlets & Skimmers enabling accurate automated management of

enabling accurate automated management of heating

Over-loading DE restricts flow

Great fun for all ages

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

Pentair Spider Grid Locator | FNS Plus Filter | 59000500 Inlets & Skimmers enabling accurate automated management ofThe 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