


Complete 48 Sq. Ft Grid Element Assembly for Pentair FNS Plus 180008 DE Filter | 59023400
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Complete 48 Sq. Ft Grid Element Assembly for Pentair FNS Plus 180008 DE Filter | 59023400The Pentair FNS Plus 180008 Complete Filter Grid Element Assembly 59023400 is an authentic Pentair replacement engineered for professional grade pool and spa filtration. This all inclusive assembly provides every internal component needed to fully restore your 48 sq. ft. FNS Plus filter, delivering factory level water clarity and flow performance right out of the box. Key Benefits Genuine Pentair Part: Produced by Pentair to deliver exact match
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Your Complete 48 Sq. Ft Grid Element Assembly for Pentair FNS Plus 180008 DE Filter | 59023400 orders ship within 1-2 business days.
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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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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4.4 ★★★★★
Based on 417 reviews
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Product Reviews
★★★★★ 5
Happy with purchase
Works as well at the fraction of the price. Very happy with the purchase. Very easy to install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 11, 2025
★★★★★ 5
Great OEM replacement at hlaf the cost
Looks exactly like the OEM filter a quality product. it is the same size fit and performance. Filter replacement is fast 10 min tops, it's crazy how much a dealer charges to replace it.
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Reviewed in the United States on April 15, 2025
★★★★★ 5
As good as Honda OEM
Perfect fit. Lasts as long as OEM for 25% of the price.
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Reviewed in the United States on December 27, 2025
★★★★★ 5
Great fit
Perfect fit. FYI - I bought the exact same one on EBAY FOR $11.78
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Reviewed in the United States on May 2, 2026
★★★★★ 5
East
Easy to replace and great fit
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Reviewed in the United States on January 4, 2026