Don S writes:

I've tried both the throw-away
paper masks and a nuisance mask with the flapper valve for exhaling
(which also gets in the way of my glasses, but not quite as bad as the
big mask), and no matter how much I cuss and massage those metal
strips that are supposed to conform the mask to my nose, I can't make
them work.

I have never been able to fit my nose to the usual paper masks, but 3M's
three-panel masks have worked brilliantly for me. The fabric of the mask
is soft enough to adapt to the skin.

The models are 9210 and 9211, see http://tinyurl.com/6xo3l for a picture.

Other thing is your glasses. If the lenses are very close to your
cheekbones (large lenses) they fog easier. Smaller glasses which don't
come as close to your nose are better. If your eyes allow, you might try
cheap reading glasses bought from any supermarket.

Pekka
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http://www.puuvene.net/