Pentair Sta-Rite S7D75/S8D110/DES/DEP Center Rod (23900-0039Z) precision That helps restore both cleaning

That helps restore both cleaning action and installed appearance with a direct replacement

and visually consistent with lighter trim finishes

90 inch OD rail applications

The “V” thread detail matters because tank lid designs are not universal across all filter versions

and this Little Giant APCP-1700 version is rated at 1700 gallons per hour using the 577301 reference

Pentair Sta-Rite S7D75/S8D110/DES/DEP Center Rod (23900-0039Z) precision That helps restore both cleaningThis center rod is used inside compatible Sta Rite S7D75, S8D110, DES, and DEP filter assemblies to help secure and align internal filter components. A bent, corroded, or damaged rod can make it difficult to tighten the assembly evenly and may compromise how the grids or internal parts seat inside the tank. Replacing it helps support even clamping pressure and reliable filter operation. Supports proper internal filter alignment Helps secure DE filter