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Discussion Starter #1 (Edited)
Hello all.

Certainly not our regular gig, but we are trying our best to help those that need it.


If you or your local hospitals are in need for N95 type respirator masks,
and have a hardware store close that stocks furnace filters...

Please check this out.

FYI, Ill update again once the 3rd and final video is uploaded and published.

Also, if somebody could help by embedding the videos, this idiot would appreciate it! :D

Thanks!

EDIT...

final vid uploaded.

Direct link to playlist is here ----> https://www.youtube.com/playlist?list=PL1LDDxVEeR0pbXoZB2hBADqCB-Ls9S4fx
 

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Gravity Works!
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I was wondering about those furnace filters that are suppose to catch stuff out of the air that causes allergies to people. Wondered how effective they would be on something like this virus going around.
 

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How does it breathe? My paper allergy mask always kinda suffocates me. This is a great idea, but it seems like 2 layers of fabric plus the filter--might be tough to breathe.
 

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Hello all.

Certainly not our regular gig, but we are trying our best to help those that need it.


If you or your local hospitals are in need for N95 type respirator masks,
and have a hardware store close that stocks furnace filters...

Please check this out.

FYI, Ill update again once the 3rd and final video is uploaded and published.

Also, if somebody could help by embedding the videos, this idiot would appreciate it! :D

Thanks!

....
 

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Snooty Poser
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Yes, any N95 rated filter material would work. Shaping it to seal is tough.

All filtering masks restrict airflow, increasing the work of breathing.
 

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I was wondering about those furnace filters that are suppose to catch stuff out of the air that causes allergies to people. Wondered how effective they would be on something like this virus going around.
troll free zone:

Yea i was curious as well. viruses are incredibly small. i wonder if a HEPA filter is small enough to capture it. edit: https://www.alencorp.com/blogs/articles/air-purifiers-and-coronavirus

heres a close up comparing the basic mask to a N95. I wonder what a HEPA filter would look like.
https://i.imgur.com/H93usRM.png
 

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if you are making them for yourself, have at it.

i have a very hard time seeing how many of these 'home brew' things are actually making it in to hospitals for use.

just like the BS ventilators, if we are to believe the "nyc er doctors" opining, they need specific vents and not just anything for this.
 

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I think the HEPA spec is close to n100

A better selection for respiratory protection would be an N100 respirator with an ultra-low penetrating air filter (ULPA), which would cost only slightly more than an N95 respirator. N100 respirators have an efficiency of 99.977%,8 and ULPA filters are 99.999% efficient for monodispersed particles 0.12 μm in diameter or larger.9 HEPA (high-efficiency particulate air) filters would not be the best selection for use with a respirator because their efficiency is 99.97% for monodispersed particles 0.3 μm in diameter or larger, and coronaviruses are smaller than this (at about 60 to 200 nm). For effective operation of an N100 respirator with ULPA, the user must be fit-tested. The United States and many other countries have numerous requirements for using a negative-pressure air-purifying respirator, including medical evaluation and training, as well as yearly fit-testing.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC156669/

interesting.
 

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A better selection for respiratory protection would be an N100 respirator with an ultra-low penetrating air filter (ULPA), which would cost only slightly more than an N95 respirator. N100 respirators have an efficiency of 99.977%,8 and ULPA filters are 99.999% efficient for monodispersed particles 0.12 μm in diameter or larger.9 HEPA (high-efficiency particulate air) filters would not be the best selection for use with a respirator because their efficiency is 99.97% for monodispersed particles 0.3 μm in diameter or larger, and coronaviruses are smaller than this (at about 60 to 200 nm). For effective operation of an N100 respirator with ULPA, the user must be fit-tested. The United States and many other countries have numerous requirements for using a negative-pressure air-purifying respirator, including medical evaluation and training, as well as yearly fit-testing.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC156669/

interesting.

Are you really trying to filter out the virus? Or just the droplets of spittle or whatever?
 
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