


O-Ring, 25-3/16" ID, 3/8" Cross Section, O-340, Generic
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
O-Ring, 25-3/16" ID, 3/8" Cross Section, O-340, GenericThis is a generic O 340 O Ring with a 25 3 16" Inner Diameter and 3 8" cross section, often used in pool and spa applications (reference 90 423 1340 if needed).
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Your O-Ring, 25-3/16" ID, 3/8" Cross Section, O-340, Generic orders ship within 1-2 business days.
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- Express: 1-2 business days
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★★★★★ 5
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Color: Champagne, Size: Queen
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Reviewed in the United States on May 9, 2026
★★★★★ 4
Cool not cold
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Super silky like material. Comfy and fits pillow perfectly. Wish it could be a more cold then cool.
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★★★★★ 3
It’s ok could be cooler
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Decent — could be cooler. They’re a nice color and texture. It fit my pillows well no annoying zippers it’s nice to sleep on and stay in place.
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Reviewed in the United States on March 8, 2026
★★★★★ 5
Comfort
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What a lifesaver, great feel, and awesome cooling feel
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★★★★★ 5
Cool bedding
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As advertised nice and soft. But most of all cool. It really stays cool, especially on warm nights. A.
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Reviewed in the United States on April 26, 2026