No, it's so small you could easily carry one in your pants pocket, no more
inconvenient than keys.
bob

On Fri, Jul 3, 2009 at 1:34 PM, David Beierl <dbeierl@attglobal.net> wrote:

> At 03:17 PM 7/3/2009, Bob Stevens wrote:
>
>> Do you remember those plastic, mouth-shaped things that pretty much
>> covered
>> your lips, and you'd put it in/on your mouth, blow into it and it would
>>
>
> No, but I understand now.  For some reason I was thinking the thing had a
> HEPA filter in it.  Does this device have a curved airway that extends down
> the throat?  Things like that existed, long ago.
>
>