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FC-4020 Replacement Pool Filter Cartridge - 90 Sq Ft

Marsoni M251S
Sale price$97.40
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Get it in 3 business days with 1 day shipping. Friday, May 29
FC-4020 Replacement Pool Filter Cartridge - 90 Sq FtReplacement swimming pool filter cartridge element. Specifications Type Filter Cartridge Filtration Area 90 sq ft Top Type Handle Top Outside Bottom (OB) 1 1 2" Diameter 7" Length 26 1 4" Media Weight 4 oz MPN FC 4020 Cross References 19001, 2396 090, 390723, 4900 233, 645544040206, 89147, AK 6013, C 7409, PD90SL, PLE 051 9394
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4.8 ★★★★★
Based on 1753 reviews
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2ndchance
Pawtucket, US
★★★★★ 5
Great for dogs
Color: Classic, Size: XS 2.75 in (7 cm)
Puppies and dogs love this. I have a bigger one as well so I wanted one they could fetch. This works perfectly for fetch.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
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Verified Purchase
Amanda Aldrich
Charlottesville, US
★★★★★ 5
♥️♥️♥️♥️
Color: Classic, Size: M 3.46 in (8.8 cm), Color: Classic, Size: M 3.46 in (8.8 cm)
Great ball. My dog loves this ball. Broke after about 2 months and then I bought another love
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
S
Verified Purchase
Sue
Belleville, US
★★★★★ 1
Total waste of money
Color: Classic, Size: L 3.94 in (10 cm)
I seldom write reviews, but save your money as far as I’m concerned. Maybe mine was faulty. I don’t know. But it’s hard as a rock and too big for to my Australian Shepherd to get her teeth around. It barely made a noise. Maybe I misunderstood the description, but I bought it for her because she’s blind and yet loves to play fetch so I thought it was going to make enough noise for her to find it, but it was a total bust at least for me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
D
Verified Purchase
Dean Law
Charlottesville, US
★★★★★ 4
Nice for play
Color: Classic, Size: XL 5.51 in (14 cm)
Work as expected but only lasted for about an hour
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Reviewed in the United States on May 28, 2026
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Verified Purchase
Toy Lady
Alexandria, US
★★★★★ 5
It is sturdy plastic
Color: Classic, Size: XL 5.51 in (14 cm)
The dogs love it
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Reviewed in the United States on May 28, 2026

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