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Your cart is empty.Part of our Pro Series, the 3M Cool Flow Valve Particulate Respirator 8511 is designed with the pro in mind to help bring you protection and comfort. The Cool Flow Exhalation Valve helps release warm and moist exhaled breath from inside the respirator. This N95 respirator features Advanced Electrostatic Media that enhances the capture of airborne particles and is designed for easy breathing. An adjustable M-noseclip helps provide a custom, secure seal. Whether you're hanging drywall or sanding a floor, rely on the trusted protection of the 3M Cool Flow Valve Particulate Respirator 8511.
rooster
Reviewed in the United States on March 10, 2025
Keep grain dust out and comfortable.
tommy crossman
Reviewed in the United States on February 9, 2025
I've got air filtration in the shop, but it doesn't get it all and these masks are perfect for fine particles. You would be surprised when you take one off and see just how much it trapped. They're rather comfortable too.
HarleyRider
Reviewed in the United States on February 28, 2025
I redid the insulation in my attic, and was tired of hacking and coughing at the end of the day. These solved that problem! I felt much better with one of these things on. Only thing I'll say is if you're in a hot attic, you're gonna sweat, and sweat blocks the airflow with these, so you might have to change it out if you start sweating.
David
Reviewed in the United States on February 26, 2025
I don't think you can get a better respirator. Easy to breath too.
Customer
Reviewed in the United States on February 21, 2025
I consider these the best if a bit uncomfortable dust masks. I have used many over the years. The vent for exhausting breath makes big difference in hot weather. This was the best price I could find so a very good value.
Barbra
Reviewed in the United States on February 19, 2025
It fit tight even after I stretched it out. Works well, but hard to breathe went on . I use the product at the airport and on the plane.
TomB
Reviewed in the United States on January 27, 2025
This is most definitely a very good item to have in case of emergency situations. Reasonably priced, super fast delivery. I have used this product in the fast and it works well. I can highly recommend this product.
Tell me you foster
Reviewed in the United States on January 19, 2025
After watching the fires in LA, added to my GO Bag.
Juan Bernardo Méndez G.
Reviewed in Mexico on September 13, 2023
Son excelentes, buena compra. 3M es garantía de calidad.
Cuauhtemoc
Reviewed in Mexico on February 26, 2023
puedo solicitar factura?
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