Pentair 24850-0008 | O-ring System 3 Cord 21" , Small
Pentair 24850-0008 | O-ring System 3 Cord 21" , Small
This Pentair 24850-0008 O-ring system 3 cord is suitable for Sta-Rite system 3 Modular Media SM series (S7M120, S7M400, S8M150, S8M500) and System 3 SD series (S7D75, S8D110) pool and spa cartridge and D.E. filters. Furthermore, it fits with the Sta-Rite System 3 Modular SMD series pool and spa D.E. Filter and System 3 pool and spa sand filter (S7S50, S8S70) and has a size of 21 inches.
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Pentair 24850-0008 Replacement Cord Tank O-Ring
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For select Pentair 21-inch filters
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Consult your User Manual to ensure this product is a compatible replacement part.

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As Advertised
The O-ring was sealed in a zip-lock bag (I was expecting the EOM packaging) but looked to be in new condition and worked well.