Thanks very much for this information, Stevie! At my house we’ve finally gotten ourselves together to have masks with pockets, and we’ve been debating what to put into them as filters. Very useful email!
—RA Baumgartner > On May 4, 2020, at 3:18 PM, Stevie Gamble Waitrose > <[email protected]> wrote: > > It’s been a very long time since I last posted here, but as someone with a > severe lung disease, and a daughter who is a consultant physician in an Acute > Medical Unit, there are a number of points which may be helpful: > > 1. The corona virus is transmitted in droplets; masks are intended to stop > those droplets. Coffee filters are specifically designed to allow liquids to > pass through them; the reverse of what is needed for a useful mask. > > 2. The HEPA filters on my oxygen condenser and the compressor for my > nebuliser are indistinguishable from the HEPA bags for my vacuum cleaner; all > of them are built to withstand far greater pressures than a human being can > exert by breathing. It would be unwise to have any of them against your skin, > but as a filter inserted into two layers of densely woven material they > provide a much higher barrier to corona virus than anything short of the sort > of medical respirators worn by healthcare professionals, which should be > reserved for healthcare professionals like my daughter:) > > 3. The best way I have found for getting a good seal at the top of the mask > over the nose is tit tape; most costumers will have come across it, but if > not: it’s a double sided adhesive tape specifically intended to attach > clothing to human skin, and it can easily be bought online. It is removed and > binned along with the filter before washing the mask for re-use. > > 4. I am using a densely woven linen because of its superior ability to absorb > moisture and its ability to withstand being washed at very high temperatures; > the downside is having to iron it dry but we are all used to ironing. > > I hope this is of some use; best wishes to you all. > > Stevie > > > Sent from my iPad > >> On 4 May 2020, at 18:05, [email protected] wrote: >> >> Send h-costume mailing list submissions to >> [email protected] >> >> To subscribe or unsubscribe via the World Wide Web, visit >> https://indra.com/cgi-bin/mailman/listinfo/h-costume >> >> >> >> >> ------------------------------ >> >> Subject: Digest Footer >> >> _______________________________________________ >> h-costume mailing list >> [email protected] >> https://indra.com/cgi-bin/mailman/listinfo/h-costume >> >> >> ------------------------------ >> >> End of h-costume Digest, Vol 19, Issue 18 >> ***************************************** > > _______________________________________________ > h-costume mailing list > [email protected] > https://indra.com/cgi-bin/mailman/listinfo/h-costume _______________________________________________ h-costume mailing list [email protected] https://indra.com/cgi-bin/mailman/listinfo/h-costume
