Comments on: Nose Mask Pit Fights Allergens Discretely http://www.ohgizmo.com/2008/04/30/nose-mask-pit-fights-allergens-discretely/ Deliciously Geeky... Sun, 22 Nov 2009 16:25:03 -0600 http://wordpress.org/?v=2.8.4 hourly 1 By: DTM http://www.ohgizmo.com/2008/04/30/nose-mask-pit-fights-allergens-discretely/comment-page-1/#comment-382241 DTM Fri, 02 May 2008 10:16:56 +0000 http://www.ohgizmo.com/?p=10804#comment-382241 Cute idea but they won't work. You breathe in through your mouth whether you want to or not when you speak. So you either side in the noxious environment saying nothing or you absorbent allergens through your mouth. Do they have HEPA grade filters? Cute idea but they won’t work. You breathe in through your mouth whether you want to or not when you speak. So you either side in the noxious environment saying nothing or you absorbent allergens through your mouth.

Do they have HEPA grade filters?

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