


FC-3101 Replacement Pool Filter Cartridge - 50 Sq Ft
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
FC-3101 Replacement Pool Filter Cartridge - 50 Sq FtReplacement swimming pool filter cartridge element. Specifications Type Filter Cartridge Filtration Area 50 sq ft Top Type Handle Top Diameter 5 7 8" Length 12 3 4" Media Weight 3 oz MPN FC 3101 Cross References 15020, 390769, 4900 205, 645544031013, AK 4007, C 5349, FC 3108, PLW50
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4.5 ★★★★★
Based on 1748 reviews
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Product Reviews
★★★★★ 5
Good product
Works as should and shows correct voltage.. double checked with several multi meters. And has been running my 4000, watt amp for almost 6 months now with no problem
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 18, 2025
★★★★★ 5
Its ok but falls out
Works good but not connected to the unit so it falls out
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
★★★★★ 5
Excelente
Excelente
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
★★★★★ 4
Functions. No trigger,need relay for car install
Functions,but will not turn off. No remote wire,just positive & negative. Need relay to install correctly to use on-board fuse. Or connect to remote only to view voltage use. No instructions.
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Reviewed in the United States on September 29, 2025
★★★★★ 5
Good quality
Good quality
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Reviewed in the United States on December 14, 2025
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