3M R9211-10 N95 Cool-Flow Particulate Sanding Respirator, 10-Pack
by 3M
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Tools and Hardware Reviews of 3M R9211-10 N95 Cool-Flow Particulate Sanding Respirator, 10-Pack
Customer Review: Very Good Respirators
Summary: 4 Stars
These particulate respirators work very well, blocking out nuisance dust such as sawdust. I use them both at home and on the job. They are rated N95 for particulates and do a very good job filtering out the vast majority of dust and particles. This is a style slightly different from the molded ones you may be used to seeing at most big box stores.
The mask comes in individual plastic bags and are folded flat. I like that they are individually packaged, as I have had problems both at jobsites and at my workshop keeping fresh masks from being contaminated with dust when they are all nested together in one bag. Not a problem when each mask has its own wrapper. Also, you know when you take it out that it hasn't been used by someone else and then put back.
These also have the comfort valve, as you see in the picture. A light, flexible flap opens when you exhale, but immediately shuts when you inhale. It is protected by a surprisingly sturdy plastic cage, emblazoned with the 3M logo. This valve makes a huge difference, especially in hot climates. It makes a huge difference in both heat and moisture retention; making the mask markedly more comfortable vastly increases the likelihood that it will be worn when needed by you, your employees, or whomever. This is a critical feature, in my opinion, and worth the extra dough over those without it. In colder climes, or when one only needs to use the mask for short periods, you might be able to do without the vent and save a few bucks.
One very nice thing about this mask over the pre-molded versions is that the chin portion opens up to actually cover my entire chin by snugging up under it. For me, this gives a better fit than the molded ones that just seem to sit on top of my chin. I've got to give the comfort edge to these. Like the molded version, these masks also have a thin metal strip that you can mold to the bridge of your nose. On the inside of this strip is a broad and soft strip of foam, sufficiently thick (about 1/8 inch) to conform to the contours of your nose when using the metal clamp.
My only complaint about these otherwise excellent respirators revolves around the straps. I think they could be more robust. While they are strong enough not to break, I find they stretch out too easily and lose elasticity, especially if you find yourself taking the mask on and off, or reusing it over time. It is true that these are extremely comfortable to wear - indeed they are the most comfortable I've found - I would prefer if they held the mask just a little tighter to my face. The straps themselves are held to the mask by staples, an arrangement I also don't prefer, but I've never had one snap or slip loose from this point.
These are more expensive than the pre-molded versions, but I the additional comfort and individual packaging makes it worth it to me. There are other brands that are also N95-rated, but I trust my lungs to these, which have never failed me. I do want to mention one cautionary note about any filter: They do clog eventually. When insulating my attic with blow-in insulation, my respirator got so clogged I could barely breathe through it. While they did their job and no dust got through, a clogged filter can be dangerous so check your filters/respirators often if you are in extreme conditions.
The issue over the straps is a minor one for me, really, and doesn't keep me from going back to these masks over others. They are well made and very comfortable. They are excellent for dusty environments around the home, and also for appropriate work settings. I also include these particular ones in my emergency kits for home, auto, and work. Recommended!
Customer Review: very good mask
Summary: 4 Stars
These masks stay on well (the double strapping is very good), they are easy to form to the shape of your nose and valve helps to keep my glasses from fogging up. The valves add considerably to the cost of these masks but for me they are worth the extra money paid. I use these almost exclusively for protection when I am sanding wood or paint. It is important to note that dust masks need to be matched to the job. Read the label and find out what a particular mask is rated for. This mask would be less than useless for vapor protection. It is a great mask for protection from sanding particulates.Customer Review: SF NERT / CA CERT GO BAG
Summary: 4 Stars
This is a 'must have' in any SF NERT / CA CERT Go-Bag. The mask is packaged collapsed. This will provide a good fit over your face when you need it, unlike the 'dome' type. The 'dome' type of N95 mask will be crushed in the Go-Bag over a period of time and will take up too much room if you have it in a crush proof container. The Cool-Flow feature makes it easier to breath over extended period of time.Customer Review: One Step Up From Basic Mask
Summary: 4 Stars
These are one step up from your basic dust mask. More comfortable due to more flexible fit and exhale valve. Can't say how effective they really are but color of sanding dust I was working around was evident on exterior of mask so they must provide some protection. For the small price difference I would say they are worth it compared to bottom end masks.