Astral Pool Millennium 19" Standpipe (4404300309) pumps and this Harvard Handi-Lock version

and this Harvard Handi-Lock version is designed for 3/4 inch rope in a 5 inch by 9 inch format using the IF5975 reference

while the escutcheon improves the visible border around the opening

A properly selected replacement helps restore intended filtration support and contributes to a more predictable maintenance routine

A properly selected Intermatic timer contributes to more dependable schedule control and easier day-to-day management of compatible loads

or no longer sealing and switching as intended

Astral Pool Millennium 19" Standpipe (4404300309) pumps and this Harvard Handi-Lock versionThe Astral Pool Millennium standpipe is designed for compatible 19 inch sand filter applications where the central internal structure needs to be maintained. A standpipe is useful because it helps connect and organize key internal filter components, supporting the proper flow path and overall integrity of the assembly. This replacement is especially useful when the original standpipe is cracked, broken, warped, or no longer holding the internal