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UHD-SR137 Unicel Replacement Cartridge | Sta-Rite 135TX, 135GPM-TX, 135TXR & PTM-135 Filters | 137 Sq Ft
UHD-SR137 Unicel Replacement Cartridge | Sta-Rite 135TX, 135GPM-TX, 135TXR & PTM-135 Filters | 137 Sq Ft
UHD-SR137 Unicel Replacement Cartridge | Sta-Rite 135TX, 135GPM-TX, 135TXR & PTM-135 Filters | 137 Sq Ft
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UHD-SR137 Unicel Replacement Cartridge | Sta-Rite 135TX, 135GPM-TX, 135TXR & PTM-135 Filters | 137 Sq Ft

Marsoni M251S
Sale price$119.99
Pay 4 payments of $30.00 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
UHD-SR137 Unicel Replacement Cartridge | Sta-Rite 135TX, 135GPM-TX, 135TXR & PTM-135 Filters | 137 Sq FtUpgrade your Sta Rite pool filtration with the Unicel UHD SR137 cartridge, a robust replacement engineered for models 135TX, 135GPM TX, 135TXR, and PTM 135. Delivering 137 square feet of filtration coverage, this cartridge is manufactured using premium Reemay polyester fabric that excels at trapping particles while promoting outstanding water transparency. Its dimensions of 31 1 4" in length and 8 11 16" in diameter, combined with open top and bottom
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Your UHD-SR137 Unicel Replacement Cartridge | Sta-Rite 135TX, 135GPM-TX, 135TXR & PTM-135 Filters | 137 Sq Ft orders ship within 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.
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4.8 ★★★★★
Based on 2296 reviews
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Product Reviews
D
Verified Purchase
Denise
Massapequa, US
★★★★★ 5
Warm feet
Size: X-Large, Color: (100) White / White / Pitch Gray
Sons lives these socks, requested them for Christmas.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 23, 2026
M
Verified Purchase
Mike
Port Orchard, US
★★★★★ 5
Nice
Size: Large, Color: (100) White / White / Pitch Gray
Great for around the house. Nice fit. I have the Beetus so I've always got to have socks of some kind on when I'm not sleeping. I guess they'd be good for athletics too, beats me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 24, 2025
I
Verified Purchase
Idle Time Mobile RV Care
Cuba, US
★★★★★ 5
Best socks on the market.
Size: X-Large, Color: (001) Black / Black / Pitch Gray
These socks last forever! I wear them daily. I bought my first pack over two years ago and haven't worn them out yet.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 7, 2025
K
Verified Purchase
KEITH D.
Los Angeles, US
★★★★★ 5
Snug fit
Size: Medium, Color: (001) Black / Black / Pitch Gray
These socks are by far better than the knock off versions. They fit snug and don’t fall down the heel when worn with tennis shoes. Would recommend
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 11, 2025
A
Verified Purchase
Andrew B
Carnegie, US
★★★★★ 5
High Quality
Number of Items: 6, Color: Black (6-pairs), Size: Large
High quality and fit great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026

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