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Pentair Rainbow 50 Sq Ft Replacement Filter Cartridge | Unicel C-4950 | R172426K
Pentair Rainbow 50 Sq Ft Replacement Filter Cartridge | Unicel C-4950 | R172426K
Pentair Rainbow 50 Sq Ft Replacement Filter Cartridge | Unicel C-4950 | R172426K
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Pentair Rainbow 50 Sq Ft Replacement Filter Cartridge | Unicel C-4950 | R172426K

Marsoni M251S
Sale price$49.99
Pay 4 payments of $12.50 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Pentair Rainbow 50 Sq Ft Replacement Filter Cartridge | Unicel C-4950 | R172426KThe Unicel C 4950 stands as a reliable, high output replacement filter cartridge tailored for the Pentair Rainbow 50 filtration system, covering 50 square feet of active filtering surface. Its rugged polyurethane frame paired with 100% polyester synthetic media forms a dependable barrier against dirt, debris, and fine suspended particles, keeping your pool or spa water immaculate. Compact dimensions of 4 15 16" in diameter and 13 5 16" in length,
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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]
  • Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 1789 reviews
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Product Reviews
J
Verified Purchase
J. W.
Los Angeles, US
★★★★★ 4
Pretty durable, ears not so much
Pretty good but chewed through the ears in just a few minutes. The body seems more durable. We have a goose/duck from this brand that has held up extremely well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 7, 2026
D
Verified Purchase
Dan Cordova
New York, US
★★★★★ 1
Another one bites the dust!!
Another one bites the dust. It looked like it was gonna be strong enough for our new puppy. We adopted a border collie who is about six months old. This was supposed to be durable. Lasted about a week. Might be good for older dogs. I wouldn’t recommend.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 14, 2025
V
Verified Purchase
Virginia Duran
Charlottesville, US
★★★★★ 2
Not that sturdy
Fell apart immediately
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 28, 2024
W
Verified Purchase
William K. Nelson
Omaha, US
★★★★★ 2
Too expensive
This dog toy did not hold up due to poor manufacturing in my opinion.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 17, 2024
R
Verified Purchase
Rakkasan 2/187
Lexington, US
★★★★★ 5
Good for a while
Pattern Name: Tug Rag
My GSD puppy, at 6 months made shredded leather out of this in a matter of weeks. Initially it was fine but if you spend more than an hour or two playing with your dog, chances are this toy will begin to tear.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 10, 2024

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