Posted by Beccistarr on January 28, 2021, 6:04 pm, in reply to "Some notes on the N95 Mask" Bill Nye the “Science Guy” said that the best test for mask efficiency is when you are in doubt try to blow a match out...if you can the mask doesn’t work. Easy peasy. 209 Message Thread Some notes on the N95 Mask - Daniel H January 28, 2021, 5:55 pm Re: Some notes on the N95 Mask - Beccistarr January 28, 2021, 6:04 pm Re: Some notes on the N95 Mask - Lars January 28, 2021, 6:57 pm Mask as a collector - Daniel H January 29, 2021, 3:14 am Re: Mask as a collector - Scott January 29, 2021, 9:30 am Re: Mask as a collector - Daniel H January 29, 2021, 9:57 am Re: Mask as a collector - Pablo January 29, 2021, 10:29 pm Re: Some notes on the N95 Mask - Pablo January 28, 2021, 6:58 pm « Back to index | View thread » Be sure to visit www.lamanzanilla.info for more information about La Manzanilla Mexico.