3M N95 Respirator 8511, Cool Flow Valve, 10 Pack, NIOSH-APPROVED, Advanced Filter Media For Easy Breathing, Comfortable For Long Periods Of Wear, Helps Filter Pollen, Mold Spores & Dust (8511PB1-A-PS)

These are my go to masks for the woodshop. I need the valved mask to exhale without the effort that the regular masks require. The price is great for a quality mask. I have discarded my other masks that purport to filter as well, but with difficulty in exhaling, and with flimsy nose pieces. These just work.

I have allergies and I sweat like a, well I sweat a lot when I’m working. I have to wear a mask and all of them fog up my glasses and then they get soaked with sweat and I can hardly breathe through them. This mask fixes all my problems with the vent valve and the re-engineered metal strip above your nose, it no longer fogs my glasses. And somehow the way it’s made, it gets soaking wet, but I can still breathe fine through it. GREAT PRODUCT!!! I have worn the first one through three separate lawnmowing’s, and will continue to use it as long as it works and looks clean. So that makes them pretty economical.

Working inside an Amazon facility under construction and the farmland prior to this was polluted with pesticides and harmful chemicals and the poor air quality inside the facility. I was taken to the aeR twice from over excessive wheezing and hardly able to breathe. This saved my lungs and while I wish the masks can be be bigger to accommodate me, it protected me from the chemicals and dust and was to do my job with little to no wheezing

I keep a box of these as part of my household’s emergency and seasonal preparedness kit. They’re NIOSH-approved and reliably made, with a consistent fit and a noticeable difference in breathability compared to lower-grade masks. The Cool Flow valve makes them more comfortable during extended wear, especially in warm weather or while moving around. The metal nose piece molds easily and helps keep the seal secure without discomfort. I’ve used these during wildfire season, dusty DIY projects, and for general respiratory protection when needed. Each mask feels durable and consistent. The straps hold up well and don’t overstretch or snap easily. I’ve tried a range of N95 options over the years, and this continues to be one of the best I’ve used. A product like this isn’t for everyday use in most homes, but when you need it, you want it to work well. This one does.

A good quality mask, but I took one star off because it’s too tight. It is much easier to breathe through this mask, since it is molded and does not collapse onto the face during inhalation . The exhale vent helps it not get as humid inside the mask too. I have a small face and head, so the straps are definitely on the tight side. I shared this photo of how I modified my mask into an ear loop type. I also used medical paper tape to cover the metal staples securing the loops, in order to protect my skin, since I'm allergic to many metals. The mask still fits securely around my face with the modifications I made. It is important to know that modifications to any product are done at that person’s own risk. Therefore I am not recommending modifying it. I am merely sharing my solution to my own difficulties with this mask. My solution will allow me to wear it for an extended time, which I estimate will be 8-10 hours, of traveling.

Excellent product for filtering of sanding dust.

Great filter for allergens, dust, general work around the house. When you vacuum. When you work on your car. When you mow the lawn. I like the built-in vent. It's stuffier to breathe for sure, but for a mask it works as well as you're going to get I think, and filters well. Definitely minimizes allergies and the lungs feel nice not sucking in contaminants. I usually use these for several jobs before changing when they get dirty.

Reliable to use