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No, the value does not bypass the intake filtering. It is a one way exhaust value with a built in filter. It reduces the problem of having to re-breath the same air but it does not filter any better than other N95 masks. The design of mask is more important than having a value according to a nurse I know who has had to wear them.L
LOL INTAKE valve?It depends on the mask. There's a number of different designs. I think the ones with an intake value are better. Most of the give away masks you see at hospitals and clinics are not very comfortable.Even healthcare workers don’t wear the N95 masks for long periods of time. They are particularly bad for people with respiratory issues.The virus can also enter via your eyes. You planning on wearing goggles?I work in an ER in downtown Houston, I get exposed to shit all the time. Harden the fuck up.But a hospital setting is cleaner than being out and about. Wearing one outside of a hospital setting will cause it to be contaminated much faster as well as causing it to degrade faster.CDC recommends it be change every 8 hours, but that's in a hospital setting. When I calculated the number masks, I figured on a mask a day. That's why the numbers are so high. If the general public used them, most people would people would get more than a day's use because most people away from work, do not spend 8 hours a day in a public setting. There are some masks with changeable filters but I didn't look at those.N95 masks provide near complete protection for the wearer and others. Suppose there were enough for everyone in the country, imagine how few cases there would be. Business and schools could open almost immediately with little danger to employees and customers or students and teachers. So why aren’t we doing it?
As it turns out, the cost of manufacturing an N95 mask is only about 58 cents. The CDC recommends masks are changed every 8 hours of use. It might be a lot less for non-healthcare employees. Assuming a mask could be made available for $1 each and all employers and schools were required to provide masks for employees and students, the cost would be about $15 a month for each full time employee or student. The general public would be required to wear N95 masks in public places with the federal government subsidizing the cost for low income families.
Although the cost is high, about 4 or 5 billion a month it’s a lot less than what the epidemic is costing the country, not to mention the loss of lives and the disruption to the lives of hundreds of millions of people. We could open up schools and business as soon as the masks were available and we probably could do away with most restrictions. If the program was successful, there’s a good chance the virus could be almost eliminated within a few months. Sporting events and concerts and other mass gathering could continue. So why isn't it even being considered?
you realize those masks are supposed to be one time use. They’re not supposed to be used over & over again. They’re being done so because of because of necessity.
Parachutes are extremely useful and save lives too..... in an extremely narrow set of circumstances.
Masks are the same way. If you think wearing one everywhere, all the time, is useful, then you're just not thinking.
Seriously? Are you that fucking stupid? I would not go to the doctor or hospital with my wife because every time I did, I caught some dread disease in the waiting room!
Quit being a drama queen, will you?
You don't wear PPE? Right! Have someone let us know when you die so we can symbolically piss on your grave.
Listen up for possible penetration, wearing a mask is to prevent you spreading it to others. Take a minute and let that sink in. unless you are crying on someone, who gives a shit? Sneezes and coughs are the main method of transmission. Most of the fucking morons in America are confused by the purpose of the masks. They will not keep you safe. whatever you may be carrying.They are used to protect others FROM you.
Bullshit. Where do you dig up this crock of crap? An N95 is easy to breathe through that those paper masks.
WTF do you think the masks are supposed to be for? Why wear it at all if it has a valve that bypasses the mask? DUH!
However, it doesn't really matter because any mask that could filter out tiny little virus cells would likely suffocate you to death anyway.
Coronavirus particles measure .05 microns to .5 microns. N95 filtering will filter out most coronavirus particles down to .3 microns. So no, they will not catch all particles. However most particles are carried through the air on large and small respiratory droplets. N95 masks do an excellent job of filtering out the droplets and their nasty little passengers but they have to fit tightly so the wearer is not pulling air from around the edges of the mask. For homemade masks and those commonly available, having a tight fit is less important because these masks are designed to catch large large respiratory droplets expelled by the wearer. They have little value in protecting the wearing from smaller droplets expelled by others.