It is a military NBC gas mask measuring 40mm, approved by NATO and designed for. I have both a 3M half face mask (but not the 7500 series specifically) and an O2 Curve and the latter is much smaller and more easy to wear.įor sources for the 3M filters, I’ve had the best luck with industrial suppliers in the past – think about places like Acklands Grainger, Uline, Shippers Supply, or so on, though some might not sell to the general public. You can buy a reusable respirator mask on Amazon for less than 100. You might also want to try something like an O2 Canada Curve mask: They’re not officially N95 rated but the company claims to exceed the standards, ant it’s a lot more public friendly. These would be 2291, 2296, and 2297, for a plain P100 and models that deal with “nuisance levels” of acid gas or organic vapour. The closest simple solution for you would be either part number 2071 (P95), or some new filters 3M made that are P100 but designed to be easier to breathe through. I’ve leveraged 3M’s filter selection poster a lot for reference, you can generally assume that all of the filters here fit your mask: The mating between 3M masks and 3M filters/cartridges is universal – either 40mm threaded mounts (like gas masks), or the 3M bayonet style mount. The below is based on my best understanding, it’s not gospel. Standard disclaimer, I’m not a doctor, lawyer, medical expert, 3M rep, or even a particularly good cook. It sounds reasonable, but I don’t know to what extent this has actually been tested. I don’t want to spread any false information, so please take this with a grain of salt. I don’t know how good this information is or if it has any validity. I’ve also seen descriptions of baking disposable masks at a certain temperature to kill the virus faster, however in the case of cartridges I imagine the plastic would make that a poor idea, since it could melt. In the case of the N95/N100/P100 filters, there is a lot of talk about leaving them somewhere isolated, or in a sealed bag, for 4 or 5 days to let the virus in them die, before using them on a mask again, and then you can get several uses before they’re “used up”. Israeli Gas Mask Filter Nato Specifications NBC for 40mm Gas Masks. Discover more about the small businesses partnering with Amazon and Amazon’s commitment to. If the o-rings start to go or the mask leaks, you can get maintenance kits too, though I’m not sure how commonly they’re sold and for the price of a new mask, if you used it that much just replace it entirely is my theory.įor the filters, once they’re “used up” (which is a really, really vague and hard to determine amount of time), you pretty much chuck them. Shop products from small business brands sold in Amazon’s store. 3M also sells specific cleaning wipes for masks. My current understanding is that for the mask itself, a wipe down with a clean damp cloth, or alcohol wipe, is pretty much all it needs.
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