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Pentair Sta-Rite L21-1 Diffuser Ring for Pool and Spa Pump
Pentair Sta-Rite L21-1 Diffuser Ring for Pool and Spa Pump - view 2
Pentair Sta-Rite L21-1 Diffuser Ring for Pool and Spa Pump - view 3

Pentair Sta-Rite L21-1 Diffuser Ring for Pool and Spa Pump

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Diffuser Ring for Pool and Spa Pump, made by Pentair under part number L21-1. The impeller and diffuser set how much water a pump moves, so a worn or clogged one can cut flow noticeably.

  • Brand: Pentair
  • Part number: L21-1
  • Listed for: Pool and Spa Pump
  • Below Cost Everything SKU: PEN-L211-BS

Before you order, compare the part number with your existing part or your equipment manual to confirm the match.

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