KN FLAX KF94 Safety Face Protective Mask for Adult (White)- Pack of 20

I purchased these after spending many hours researching the FDA and CDC's NIOSH sites and data. I am so happy with this purchase! I've had a problem with "normal" masks being too long, too large, unbreathable, un-sealable, and/or too stupid-looking. (No thank-you duckbills!) Of late, I've been wearing a blue surgical mask with another lightweight mask over it, but -wow- it was so difficult to breathe in the summer heat, yet the seal was never really good. I finally realized that I have a smaller face then most other people and there was probably no way I would ever find a great filtering mask that fit, without looking completely ridiculous. Then, I read an article in wirecutter, which explained various (brand) mask properties, including whether the brands/masks were CDC NIOSH or FDA approved. The article specifically mentioned this brand of KF94: (quote) Like most KF94s, which didn’t arrive in the US market until later in the pandemic, Kyungin Flax hasn’t undergone the process for NIOSH approval or FDA clearance. So, in collaboration with Colorado State, we filtration-tested the mask ourselves—and found it to block 99% of particles as small as 0.5 micron. (end-quote) That was definitely good enough for me! The strange thing is that the article said this particular mask may not be suitable for someone with a small chin. Ha! Wrong! When the masks arrived, I immediately opened one and put it on. OMG, amazing! This mask has a more structured “boat” shape (a horizontal rectangle that tents up to secure itself over the nose bridge and chin) and gives a more-reliable clearance over the nose and mouth. i.e. More filtered air to breathe in. The ear loops are a bit too long, but that's not a deal-breaker. i.e. Just knot them or use the enclosed small s-type clip to pull the ear loops to the back of your head. (Amazon has some great, light-weight lanyards, as well.) The adjustable metal nose clip is flat (hate those thin round ones) and is about the same length as on my KN95 masks. Note: According to wirecutter... Overall, most KF94s feel thinner than the N95s and KN95s. But, they are comparable in feel to the highly rated Kimberly Clark N95 Pouch (duckbill) Respirator. That said, in comparison to my KN95 masks (bought on Amazon), this Kyungian Flax KF94 mask feels thicker. This KN Flax mask gave me the best seal and comfort of any mask I've tried. (16 months into the pandemic, I've tried a LOT.) It is lightweight but sturdy and actually looks great. I highly recommend this mask!

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I can’t believe I am writing a review about a mask but this one works great. I have been able to wear this mask without feeling suffocated for many hours and since I have health issues this is a must for me. I tried the blow out the flame with this mask and I could not so I think it is thick enough to protect me. I is very comfortable and I have a fat face and it is not too tight. I like that it folds flat so I can keep it in my purse of pocket when not using it. The wire seems to work well but when I don’t have set right my glasses do get fogged up until I adjust it then it works great. It snugs the face really well with no gaps. And the design gives you plenty of room around the mouth area. I have bought KN95 and cloth and I like these the beast. The only other I like are the cone shape KN95 but they done fold away and are bulky. Stay safe everyone.

Calidad y comodidad excelente.