This Pentair/Sta-Rite replacement is built for DE filter service and helps secure the 2-1/2 inch union connection on DEP and HRPB filter plumbing. It helps clamp the union joint evenly for a dependable seal, making it a practical choice when the original part is cracked, worn, leaking, stripped, brittle, or missing. It is especially useful for targeted repairs where replacing a larger pump, filter, or cleaner assembly is not necessary.Confirm the part number, model family, horsepower, size, and pre/post production notes before ordering. Small Sta-Rite and Pentair revisions can affect fit, especially on DuraGlas, DynaGlas, Cristal-Flo, GW cleaner, and DE filter systems. OEM-style fit for compatible equipment Supports dependable sealing, flow, alignment, or cleaner movement Good for rebuilds, service calls, and preventative maintenance
