08-10-2020, 07:44 PM
(08-10-2020, 04:52 PM)Ray Wrote:(08-10-2020, 10:18 AM)Lee Wrote: Debbie had been making masks with three layers but plans to try two layers.My immediate thought is that Olgry will probably be our resident expert on this....
Ray, what are your thoughts?
My wife has been making beautiful masks with space for a filter. Jo-Ann Fabrics has had a hard time keeping her stocked.
Like any filter, higher resistance suggests higher efficiency, and might be desirable. Debbie might want to keep a few of the 3-layered masks around for this winter's Flu/SARS-CoV-2 "perfect storm," which will probably come as a Christmas present to the country....
When you mention 3-layer masks, is the middle layer a 95%BFE filter material equivalent or something else?
I knocked, but the door was open.......
Central PA: 2016 Lupin RS - Keys and no TPMS
Central PA: 2016 Lupin RS - Keys and no TPMS