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Unicel DE Replacement Grids for Pentair FNS 48 Sq. Ft Filter | 7 Large & 1 Partial | Made in USA | FS-2004

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Unicel DE Replacement Grids for Pentair FNS 48 Sq. Ft Filter | 7 Large & 1 Partial | Made in USA | FS-2004Bring your Pentair FNS 48 sq. ft. DE filter back to like new filtration performance with this California made replacement grid set from Unicel. Packaged as a complete 8 grid set with 7 large grids and 1 partial grid, it supplies every element needed for a thorough internal overhaul of your filter. New grids mean dramatically improved water clarity, trapping microscopic particles that worn grids allow to pass through, so your pool or spa stays
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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 ★★★★★
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Verified Purchase
Dorian
West Palm Beach, US
★★★★★ 1
Doesn't fit crv hybrid 2023
The engine filter doesn't fit my Honda crv hybrid 2023
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2025
A
Verified Purchase
Allen
Lowell, US
★★★★★ 5
Power steering leak
Worked great. No problem at all.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 16, 2026
C
Verified Purchase
ChrisA
San Leandro, US
★★★★★ 5
perfect fit for 2005 acura rsx s-type
Why did you pick this product vs others?: fixed my PS pump leak fast.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 7, 2025
J
Verified Purchase
J.P.
Charlottesville, US
★★★★★ 5
So good. No more whine!
Worked like a charm on a 2007 & 2009 Accord 4cyl
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Reviewed in the United States on December 18, 2025
P
Verified Purchase
Placeholder
Grantham, US
★★★★★ 4
No instructions
No instructions... No idea which one is the high pressure side.They seem to be good quality but I have not used them yet...
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Reviewed in the United States on December 3, 2025

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