At first I thought mask was too thin… At first I thought mask was too thin because it really is paper thin.... however, I love the fact that it allows you to breathe freely cuz the mask doesn’t get sucked in at the nose when you inhale— and because I like to layer two masks at a time for extra protection, it still allowed me to breathe better because it keeps it’s form around the nose and doesn’t wrinkle/move in and out with each breath.

The best mask is Nano Air Mask I have been wearing the Nano Air Mask for about 7 months now. I wear them at work at my Customer Service Job, when traveling and out and about. My voice is not muffled, my glasses don't fog, there is room for my mouth and lips to move around, and with my hot flashes they are still the best masks that I know of. I've started sharing these masks with family, friends, and coworkers and now they purchase them. It's a good secret you want to just keep to yourself but cant. When I know a good thing I have to share.

Well-made, not cheap, illegible instructions Masks are lightweight and pretty well sealed. We are told that they are very effective, which I hope is true. One strange thing is the instructions on the package-they are written in very pale. greenish writing, making them almost impossible to read!

Love these masks and made in USA Love these masks. Sturdy and stylish, easy to wear and avoid glasses fogging. Fast shipping, and LOVE they are made in USA. Pricey but worth it. Have ordered several times to share with family and friends. Prefer the classic Nano in black with subtle logo over the new brand, so hopefully they remain available.

COST!!!! COST!!!!! We have to order a months supply at a time. My wife is a severe asthmatic, and cannot NOT use the Chinese made KN95 masks due to air flow restrictions PLUS every time she has attempted to use a Chinese KN95 masks she has immediate skin reaction and immediate sinus infection and restricted airflow. So the Nano Air Mask is the only true protective mask she can use, which estimated cost at current pricing is $1200 per year for her masks alone. Due to being high risk category persons we have to use masks and gloves when out in public, which costs hundreds of dollars to keep supplied and safe. Tough to do when you are on a fixed income and medically not allowed to work any longer. Wife is an RN with Adult onset Asthma, and I'm a Respiratory Care Practitioner both with 40 years experience each.