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Posted by tominjax on October 18, 2001 at 20:47:09:In Reply to: Breeze: Vent Hole posted by Breezer on October 18, 2001 at 19:55:23:
Gotta have a vent hole to allow the co2 to escape.
otherwise it would suffocate you.all masks must be vented.
Just to see for yourself, stop it up and breathe- wont be long before you are gasping.
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