I wore one these masks while mowing the grass one ...

I wore one these masks while mowing the grass one hot summer day. The mask got damp from perspiration, absorbed the order of the grass clippings coming out the back of the push mower, and made breathing harder. I think the mask should be perfectly satisfactory for other uses, but it was unsatisfactory for my particular use. Consider whether or not you might prefer the version with an exhalation valve.

###

