This is a Pentair Sta-Rite Offset Outlet Covered Filter Element for 23900-1172 System:3 S8D110 D.E. Filters. Three of the filter elements are required.
The filter grids are injection molded from 100% virgin, high impact styrene then covered with multi-filament polypropylene fabric. Each grid has been engineered with subtle design improvements specifically for this model and manufacturer.
