This is an improvised filter mask I made from a knockoff Nerf mask...
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Thats one of my daughters modeling it... it includes a light too... for nighttime looting.. theoretical looting of course, as that sort of thing is wrong and frowned upon in polite society.
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The HEPA filter material is sandwiched between an inner and outer layer of fine dust shop vac prefilter material...
The material, both the HEPA filter and blue fine dust filter are cut from shop vac fitler bags... available at most big DYI sores like Home Depot and Lowes.
The mask has been modified with a gasket inside to seal off the nose/mouth area... the gasket was made from thin craft EVA foam and self-adhesive insulating weatherstripping foam... I used 3/4" thick weatherstripping, but I think 1" to 1 1/4" would work better for most people. I also added a lower neck strap for better fit...
The advantage here over other improvised masks is the mask has an inner and out section which screws together, allowing the filter material to be trapped between them easily, thus the mask as made can be disassembled and the filter replaced and the rest disinfected... also it affords eye protection too... and it's $5 for the each nerf mask and probably less than $30 for the assorted materials which will make multiple masks and filters... but that varies with the size of the filter bags.
Paintball face masks would probably work equally well... but are far more expensive... $30 - $150 in most cases... versus $5 like the one I used here...
I made this about two weeks back, but there are already so many "make your own mask" instructions out there I didn't think anyone would care.
Sorry to the mods if the images are too large... also I made a similar post at DAZ, but I figured this might be helpful if people were looking for stuff to easily make their own mask from, as some folks can’t sew well and working with hard materials is easier.
I’m expecting a rush on materials now that the government is suggesting wearing masks isn’t a bad idea after all... (Duh)...
So I figured maybe it’s not a bad idea to post this before the crazies start hoarding it all...
Anyway, this isn’t taking away from medical personnel and it uses materials that should filter out infected materials suspended in the air (coughed out lung funk)... if made properly...
Hope it helps or gives ideas.