3M™ Cool Flow™ Valve Particulate Respirator 8511

3M™ Cool Flow™ Valve Particulate Respirator 8511

Marsoni

M251S

$32.99

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

3M™ Cool Flow™ Valve Particulate Respirator 8511Highlights NIOSH APPROVED N95 for at least 95 percent filtration efficiency against certain non oil based particles and aerosols 3M COOL FLOW EXHALATION VALVE helps direct exhaled air downward and allows for easy breathing UP TO 50% EASIER BREATHING. Compared to non valved 3M 8200 Testing ADVANCED FILTER MEDIA for easy breathing ADJUSTABLE M NOSECLIP helps provide a custom and secure seal STRETCHABLE, BRAIDED HEADBANDS for comfort LIGHTWEIGHT DESIGN

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We offer a 30-day return/exchange service after receiving.
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If you’re a hot sleeper ! This is the pillow cover you want!!!! Don’t hesitate to buy. I love how it has the zipper to it so the pillow doesn’t come out. Appearance is beautiful. Softness is rate 11 out of 1-10z. May wrinkle after wash a bit but once place on the pillow wrinkles go away. Great for your hair because of the material great value for your money.

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Reviewed in the United States on April 23, 2026

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Nicholas V.

Carnegie, US

★★★★★ 5

Reat pillow case

Color: 01 - Grey, Size: Queen(20x30)

Very soft and always cool to the touch

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Reviewed in the United States on April 8, 2026

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ChicagoMom

West Palm Beach, US

★★★★★ 5

Obsessed…so cool and soft

Color: 03 - White, Size: Queen(20x30)

I’m obsessed with these pillow cases. They make such a difference and feel so soft and cool. I’ve bought them for every bed.

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Reviewed in the United States on April 19, 2026

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Bambina

Port Orchard, US

★★★★★ 4

Not so Cooling

Color: 01 - Grey, Size: Queen(20x30)

This pillowcase does not do too much to keep you cool. When not in use, it's cool too the touch but after laying on it for about a minute, it is no longer cool. Also, the color was supposed to be gray but it looks almost white and not gray. The material is comfortable, but overall, this is more like a regular pillowcase, not a cooling one, as advertised (which is the whole reason I bought it). Update: Seller reached out and refunded my order since I was unhappy with the purchase. Great customer service. Thank you!

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Reviewed in the United States on March 26, 2026

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Debbie Brucha

Louisville, US

★★★★★ 3

Keeping, but they do make me hot.

Color: 02 - Blue, Size: Standard(20x26)

Very soft and cooling at first, but they do get hot during the night. So bad that my face sticks to the pillowcase.

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Reviewed in the United States on April 2, 2026