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Re: DewmBoom post# 161629

Thursday, 06/11/2020 6:41:29 PM

Thursday, June 11, 2020 6:41:29 PM

Post# of 186029
The mask has an exhalation valve. This will make it easier for the air to exit during exhalation. This would especially important during summer time where the mask would get you warm otherwise. CONVENIENCE IS A PLUS!