Does B2 Mask get hot and humid?
B2 Mask was designed to be as comfortable as possible without exhalation valves.
B2 Mask was designed to have comfortable air flow coming in as well as going out of the filters, so heat and moisture can escape. However, as with any mask, prolonged use, wearing in extreme hot/cold climates, or wearing during strenuous activities will generate moisture and heat inside of the mask.
The B2 Mask Liner was designed to absorb and contain moisture buildup inside the mask during extreme conditions. For more information, see the B2 Mask Liner page
on our webstore.
The B2 Mask sits mostly off of the face, except around the seal, which improves comfort during prolonged sweating compared to fabric masks.
Does B2 Mask fog my glasses?
B2 Mask is designed with a flexible seal that eliminates or significantly reduces fogged glasses. If you are experiencing any fogging, you can try flipping the nose seal portion to achieve a tighter seal on the nose. Alternatively, nose seal may be ...
How do I get a good seal on my face?
Before purchasing a B2 Mask please see the Size Guide to make sure that it is the right size for you. Read the Quick Start Guide to see how to get started with your B2 Mask. The B2 Mask can take an hour or two of wearing to get used to the fit. ...
How breathable is the B2 Mask?
B2 Mask is very breathable for a respirator or face mask without exhalation valves. However, it will not be as comfortable as wearing no mask at all. B2 Mask exceeds the recommended breathing resistance required by NIOSH for Filtering Facepiece ...
Can I wear my B2 Mask on a plane?
Yes you can! B2 Mask does not contain an exhalation valve or air vents. All exhaled air is filtered. However, certain airlines or businesses may chose to mandate another type of mask, which they typically provide. B2 Mask complies with guidelines set ...
When should I change my B2 Filters?
For a person who only has occasional contact with the public, and can stay physically distanced, we recommend: Change Original filters at least every 2 weeks. Change Lite filters at least once a week. You should change your filters more often if: ...