Pentair/StaRite DS3 Series 1.0HP/1.5HP Diffuser (C101-276P) paramount The multiple application references give

The multiple application references give this cartridge practical value because filter service is most dependable when the cartridge is matched to known part-number families

Pump volute from Little Giant for compatible 3E-12N Series applications

Creates a same-size branch in large plumbing lines

For compatible 2 inch Hayward plumbing systems

If your pump is struggling

Pentair/StaRite DS3 Series 1.0HP/1.5HP Diffuser (C101-276P) paramount The multiple application references giveThe Pentair Sta Rite C101 276P diffuser is designed for compatible DS3 Series 1. 0 HP and 1. 5 HP pump applications where the diffuser needs replacement. A diffuser like this is useful because it helps direct and stabilize water flow around the impeller area, supporting wet end hydraulic performance. Replacement is often needed when the original diffuser is cracked, worn, or damaged during service. Installing the correct Pentair Sta Rite diffuser can