Lower Grid Retainer Spider Locator for Pentair FNS Plus Filter | 59000500

Lower Grid Retainer Spider Locator for Pentair FNS Plus Filter | 59000500

Marsoni

M251S

$68.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Lower Grid Retainer Spider Locator for Pentair FNS Plus Filter | 59000500Ensure every DE filter grid sits exactly where it should with the Pentair FNS Plus Grid Locator Spider. This lower retainer holds each grid in proper alignment inside the filter housing, preventing shifting that could allow unfiltered water to bypass the media. Constructed from resilient materials built to handle continuous exposure to pool chemistry, it delivers dependable grid retention for both residential and commercial filtration setups. Key

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We offer a 30-day return/exchange service after receiving.
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What a waste of money this was. After receiving this I was excited to try it out, my excitement soon turned to disappointment. No matter what I did, the only thing that I could get to come out was clear liquid. It immediately went into the trash. Save your money and just go buy the BIC correction pen.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on March 29, 2026

Verified Purchase

Marvin

New York, US

★★★★★ 4

Works well

It works well to erase Staedtler permanent marker from an acetate map covering.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on November 4, 2025

Verified Purchase

Los Angeles, US