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Pentair Clean & Clear RP Filter Union Diamond Seal — Part 178746Z

Marsoni M251S
Sale price$12.99
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Pentair Clean & Clear RP Filter Union Diamond Seal — Part 178746ZThe Pentair 178746Z Union Diamond Seal is a factory original gasket designed specifically for Clean & Clear RP cartridge filter systems. This diamond shaped sealing component creates a dependable, leak resistant connection within the filter housing, preserving system pressure and ensuring uninterrupted water flow. Manufactured from premium, chemically resistant elastomer, it performs reliably under the demanding conditions of pool and spa operation.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.5 ★★★★★
Based on 1787 reviews
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Verified Purchase
Lance Low
Houston, US
★★★★★ 5
It works!
Fitment was great on my 2014 Subaru Crosstrek. Construction was solid and great that I don’t have to worry about changing it for 18,000 miles. Would purchase again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
T
Verified Purchase
Thomas M. Cook
Massapequa, US
★★★★★ 5
As described, great quality
Perfect fit and function for 2018 Subaru Outback
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Reviewed in the United States on January 15, 2026
M
Verified Purchase
Michael Mueller
Draper, US
★★★★★ 4
Good product
This is a long life filter without having to oil and wash like a lifetime k&n.
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Reviewed in the United States on December 18, 2025
C
Verified Purchase
Create58
Waukegan, US
★★★★★ 5
Fits great
Excellent value for the money and fits great. Does exactly what you need it to.
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Reviewed in the United States on February 17, 2026
C
Verified Purchase
Carlos J. Caballero
Grantham, US
★★★★★ 5
buen articulo funciona perfecto.
buen articulo funciona perfecto.
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Reviewed in the United States on May 14, 2026

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