snake and bake posted:

FORUMS USER 1135 posted:

i think this is all of them

JAY ZERO SUM GAME posted:

mask,store,arfjason
someone asked about half-face respirators (this has been mentioned several times, we really should have a copy/paste catchall for this)
You want a 3M 6*** series

Size is denoted by three digits after the ‘6’
6100: small, 6200: medium, 6300: large
Takes 3M bayonet cartridges

Respirator, size medium: https://www.digikey.com/en/products/detail/3m/6200-07025/7693860

Another option, size medium: https://www.digikey.com/en/products/detail/3m/7502/6827884

3M 7093 cartridges are sealed P100 cartridges. Best overall protection. Digikey: https://www.digikey.com/en/products/detail/3m/7093/6827875

digikey is a legit place that ships quickly

Happy Thread posted:

Everyone should consider getting this 3M respirator from ebay. It's much cheaper, and it's the one I use every day so I can vouch for it.

https://www.ebay.com/itm/224042126108

The cartridges are tear gas proof in addition to COVID proof --- p100 filters remove even smaller particles than n95. It does have a nice round protrusion for its exhalation valve so you can easily seal that off with rubber band + paper towel. Others don't.

Reusable forever for only $40. In non industrial settings where you're not breathing solvents all day it will never get clogged. Lightly bleach with a paper towel and dry it before you put it on every day to disinfect it, making sure not to get the actual filter innards wet. Wear it much looser than you think you need or you'll hurt your face. Do the seal test to make sure, but it will still seal fine if you have it lined up right.

snake and bake posted:

Thanks again, Happy Thread. I got my respirator a few days ago. I was a little worried that the medium would be too big because I'm tiny, but I read somewhere that medium is standard because it fits like 90% of people. It adjusts quite a bit and fits me fine. Small must be for kids, or adults smaller than me (5' tall female). My partner has a big moon face and it seems to fit him too, though he'll have to shave before we can do a proper fit test.

I definitely can't wear my regular glasses with it, and I don't see how safety goggles would work unless they're designed to go with this mask, since it covers the bridge of my nose. I paired it with these swim goggles, which worked perfectly. Any similar style swim goggles would probably work.

Nocturtle posted:

I found these "goggles" to fit with my half-mask, but it likely depends on the size of your face. They're also indirectly vented, which is good for wearing for extended periods without too much fogging but probably not so great if you're in a plague cauldron. OTOH unless you're a medical worker performing aerosolizing procedures they're probably ok.

Lovelyn posted:

Respirator chat:

I live in rainy WA and bought a 3M 7501. Highly recommend for anyone with a petite face - molded N95s didn't even come close to sealing for me. Felt very safe doing one last grocery run before the apocalypse (curbside from a union shop) while giving this baby a test drive

JAY ZERO SUM GAME posted:

word I have the same rigout

You can find goggles to fit the nosepiece and accommodate glasses, but they're tricky. I found these, there are several permutations of the same design floating around: https://www.amazon.com/gp/product/B084VJCBKH

Could be especially hard if you have a small face though. they're definitely made for a face larger than mine, an average height male

logikv9 posted:

envo masks are good and if you buy a cover you’re effectively covering the one-way valve, which i assume the 3M mask has

Sound Mr. Brown posted:

The Envo looks great and I wanted to love it (especially the gel pad around the edges!) but it doesn't fit my large-ish face. Large-face-havers are cautioned.

FORUMS USER 1135 posted:

if you want some more resources for your post 3m's respirator pdf guide is here: https://multimedia.3m.com/mws/media/815734O/3m-reusable-respirators-product-catalog.pdf that has the full list of all reusable respirators & cartridges. p6 has a features table, p8 has the list of cartridges and protection levels

honeywell has a similar catalog here: https://www.honeywellsafety.com/Supplementary/Documents_and_Downloads/Other/4294974990/1033.aspx. masks start on pdf page 3, filters start on pdf page 5.


honeywell also has a safety poster on how to put the mask on / perform positive negative checks https://www.honeywellsafety.com/Sup...97403/1033.aspx

finally honeywell masks are what you get from mcmaster. their prices are slightly elevated but it's usually ground shipped 1-2 days. they do have 3m filters though. i got my 3m stuff from digikey. their site has a warning that your order might be taken for public health reasons but I don't think anyone has had issues with that. you can also try mouser.

Facebook Aunt posted:

e:f,b. gently caress it, Imma post anyway.


I like the Honeywell North designs because the way the exhalation valve on the bottom sticks out makes it a little easier to cover with cloth to provide a polite amount of exhalation filtration for your filthy breath. A rubberband should work to hold a bit of cloth or filter material. When I was looking around they also seem a few dollars cheaper than the 3M masks with similar features. They are both perfectly respectable companies so I'm not sure why.


I haven't tried it myself, but if you need to talk a lot at work the Honeywell North® RU8500 Half Mask has a speech diaphragm that makes it easier to be understood. You should be able to find this one for around $60 plus filters. This one is hard to find in stock though.


https://www.honeywellsafety.com/Products/Respiratory_Protection/Honeywell_North%C2%AE_RU8500_Half_Mask.aspx




If you don't need to talk much and want to save a few bucks (or you can't find the 8500 in stock anywhere) the Honeywell North 7700 Series Half Mask seems good. It's silicone to make it comfortable to wear all day. This is the one I ordered, it hasn't come yet. Widely available for around $40 plus filters.


https://safety.honeywell.com/en-us/products/by-category/respiratory-protection/air-purifying-respirator-apr/7700-series-half-mask



If you are poor as hell and/or only need it for short trips, the Honeywell North 5500 Series Half Mask may be right for you. Shop around and you should be able to find this one for around 20 bux plus filters. It's basically the same design as the 7700, but is made with cheaper elastomer instead of silicone.


https://safety.honeywell.com/en-us/products/by-category/respiratory-protection/air-purifying-respirator-apr/5500-series-half-mask


You'll also need filters. I ordered the 7580P100 particulate filter. P100 is as good as it gets, and I liked the hard cartridge protecting the filter. They also have P100 pancake filters which don't stick out so far if you need to stick your head in tight spaces. The P100 filters seem to run around $20 a pair, but there is a ton of variability in price.




When shopping, look around a bit. I found that amazon had higher prices than some other online retailers, probably from assholes buying up anything cheap and relisting it "at what the market will bear". Amazon also has a problem with counterfeits, there are a lot of reviews from folks who say they got fake filters. Or opened filters.

The established industrial/scientific supply stores aren't jacking up prices as much, and have long-term supply lines for genuine products. Maybe I'm naive, but they seem less likely to gently caress over their customer base for a quick buck than an anonymous reseller on amazon or a fly-by-night pandemic specialty shop.

Facebook Aunt posted:

Yeah, getting wet would probably damage them. Luckily they sell shower caps for them. N750029.


Bottom right in this picture.

gradenko_2000 posted:

https://www.cdc.gov/niosh/docs/2021-107/default.html

The exhaust valve of your respirator is going to provide filtration similar to or better than a surgical mask.

From a purely personal perspective, whether you think that's enough as far as protecting other people is entirely up to you.

From the standpoint of compliance with whatever establishment might take issue with your respirator having an "uncovered exhaust valve", you might want to have a back-up solution, whether in the form of having a surgical mask set to fit over the valve, or a KN95 in your car or bag as a spare (and obviously make the change-over in the outdoors, away from other people, when possible).

facetoucher cat posted:

Also I don't know who needs to hear this but if you melt butter, peanut butter, and milk chocolate then mix in crushed up saltines, walnuts, mini marshmallows, then put it in the fridge when you realize it the next day you'll thank your past self

VectorSigma posted:

https://i.imgur.com/scQ95JW.mp4

welcome back to the covidzone

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