★★★★★ 5
Fits and works fine
Size: 1+6+6 Pack
Its a good deal for all the things it comes with.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 17, 2025
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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Your FC-3101 Replacement Pool Filter Cartridge - 50 Sq Ft 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.
- To process your return/exchange, please contact us at [email protected]
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Product Reviews
★★★★★ 4
Easy to use.
Size: 2+6+1+12 Pack
They work very well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
★★★★★ 5
Not so good
Size: 2+6+1+12 Pack
These placement filters are not as good as the original. They seem to hold onto the debris & don't release it into the reservoir. I clean the filter & reservoir after each use & always find the filter full & the reservoir nearly empty.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 24, 2025
★★★★★ 5
Well priced
Size: 1+6+6 Pack
Very economically priced set of replacement parts for Eufy RoboVac 11S Max
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 25, 2026
★★★★★ 5
Perfect fit
Size: 2+6+1+12 Pack
This is the second time I have ordered replacement parts for my Eufy robot vac. They fit perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 3, 2025
