Piston Seal (CTS) 4.250" x 3.770" x 0.557" - PTFE/NYL/NBR

Marsoni

M251S

$180.36

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

Piston Seal (CTS) 4.250" x 3.770" x 0.557" - PTFE/NYL/NBRProduct Details : Piston Seal (CTS) 4. 250" x 3. 770" x 0. 557" PTFE NYL NBR Part No: CTS 04250 Product Category: Piston Seals Product Type: Piston Seal Profile: CTS No. Of Pieces: 4PCS Material(s): Teflon Nylon Nitrile Material Code: PTFE NYL NBR Temperature Range: 30F to +230F ( 22C to +110C) Pressure Range: 6500 PSI ( 448 Bar) Surface Speed: < 5 ft s (1. 5 m s) System Of Measurement: Inch Bore Diameter: 4. 250" Dimensions: 4. 250" x 3. 770" x 0.

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Love these pillow cases! FYI: 20" X 26" are PERFECT for supposed "queen size" feather pillows. 20" x 30" ones are too big and allow the feather pillow to flatten out too much. There is a bit of stretch to the cases. The "cool side" of the pillow case IS NOTICEABLY COOLER than the other side. Good zipper.

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Reviewed in the United States on March 31, 2026

Verified Purchase

Jennifer Warnecke

Whiting, US

★★★★★ 3

Hmmmm not really a cooling case

Color: 07-beige, Size: 20" X 36" (Pack of 2)

I bought these because like many I get hot at night, right around my neck. While it's soft and satin to the touch, and cool to touch, it doors keep me cool presay. I still get hot, I flip the pillow and because it's cool, I get cooled down. Again doesn't actually keep me cool all night though.

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Reviewed in the United States on March 4, 2026

Verified Purchase

Gary y.

Grantham, US

★★★★★ 5

That I keep my head, cool

Color: 01-grey, Size: 20" X 26" (Pack of 2)

They are cool and that’s exactly what I wanted. Something that wasn’t hot and I’m very happy with my purchase.

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Reviewed in the United States on April 27, 2026