Harmsco Top Plate [TF, 9"] (779) dowcorning This type of part is

This type of part is especially useful when the surrounding system remains serviceable and the need is centered on the topside control assembly itself

The Speck 21-80 GS suction housing O-ring is designed for compatible pump applications where sealing at the suction housing needs to be restored

and this Pleatco version uses the PWK45-O-4-XP reference

6" fitting size

Helps restore proper bypass assembly operation

Harmsco Top Plate [TF, 9"] (779) dowcorning This type of part isThe Harmsco top plate is designed for compatible TF filter applications where the upper plate component needs replacement. A top plate is useful because it helps support the upper section of the filter assembly, contributing to cleaner internal alignment and more dependable operation. This replacement is especially useful when the original top plate is cracked, warped, damaged, or worn. Matching the correct 9 inch TF design helps preserve intended fit