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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After a stressful day (aren't they all) I often have trouble getting to sleep. I keep these on my nightstand and take one before bed. I find it allows me to fall asleep easily and stay asleep all night. There is no problem with being groggy in the morning like other sleep aids. Ashwaganda is an adaptogen and is supposed to be helpful for other things too. Been using these for months!

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Reviewed in the United States on September 9, 2025