Replies

To: boatbums

I’m assuming that you know the masks with the exhalation valves are doubly useless.

The exhalation valve has no filter at all.

94 posted on 07/28/2020 6:01:39 AM PDT by cyclotic (The most dangerous people are the ones that feel the most helpless)

To: cyclotic

It’s pretty crappy at exhausting exhaled air, too.

96 posted on 07/28/2020 9:25:16 PM PDT by boatbums (God is ready to assume full responsibility for the life wholly yielded to Him.)

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