JIS O-Ring 174.3mm x 185.7mm x 5.7mm - Nitrile (90) Black

JIS O-Ring 174.3mm x 185.7mm x 5.7mm - Nitrile (90) Black

Marsoni

M251S

$21.60

Get it in 3 business days with 1 day shipping. Friday, May 29

JIS O-Ring 174.3mm x 185.7mm x 5.7mm - Nitrile (90) BlackProduct Details : JIS O Ring 174. 3mm x 185. 7mm x 5. 7mm Nitrile (90) Black Part No: MOR1743057 N90 Product Category: O Rings Product Type: O Ring Standards: JIS B2401 Material(s): Nitrile Material Code: NBR Color: Black Durometer: 90 Temperature Range: 40F to +250F ( 40C to +121C) System Of Measurement: METRIC Dimensions: 174. 3mm x 185. 7mm x 5. 7mm Interior Diameter (d): 174. 3mm Outside Diameter (D): 185. 7mm Cross Section (S): 5. 7mm For any

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These pillows are decent but not amazing. I like that they’re adjustable and come with extra fill, so you can make them softer or firmer depending on how you sleep. The cooling side feels nice at first, but it doesn’t stay super cool all night. They’re comfortable enough, but not a huge upgrade from regular pillows. Good, just not life-changing.

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Reviewed in the United States on February 26, 2026

Verified Purchase

David James

Waukegan, US

★★★★★ 5

Qutool double sided cooling pillows

Color: Blue, Size: King(2 Pack)-20'*36', Color: Blue, Size: King(2 Pack)-20'*36'

After letting the pillows sit for 12 hrs they puffed up and feel great Thus far satisfied with our purchase

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Reviewed in the United States on May 6, 2026

Verified Purchase