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Changes to How to make a respirator-style face mask Introduction

Edit by Daniel Gilbert

Edit approved by Daniel Gilbert

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Introduction
As of this writingtoday (March 31, 2020) there is's a '''severe shortage of PPE''' (personal protective equipment) in the United States as we face an outbreak ofthe COVID-19 pandemic. Many people have been making masks at home in an effort to provide a minimum of protection to frontline healthcare workers, and some hospitals have begun accepting donations of these homemake masks.
I began making surgical-style masks at home, for which there are many online guides, but found them to be '''frustratingly uncomfortable''' and '''seemingly ineffective''', as they fail to form even a rudimentary seal around the wearer's nose and mouth. Instead, I decided to try and make a smaller, more comfortable, and potentially more effective homemade mask in the style of certain disposable Chinese KN95 (roughly equivalent to the U.S. N95 specification) masks that are available online (KN95 is roughly equivalent to the N95 specification in the United States).
This design has gone through several iterations and seems to work well. It '''uses less material''' than a homemade surgical-style mask, is '''more comfortable''' to wear (in my opinion), is '''reasonably easy to sew, ''' (even for a beginner like me), and it offers '''arguably better protection''' by eliminating any large air gaps.
Please note that '''this mask has NOT been rated or certified''' in any way whatsoever. Its effectiveness will depend entirely on the quality of construction, the particular materials used, and theits fit on the person wearing it. Similar to manufactured N95 masks, this mask should NOT be used by anyone with a beard. This mask may provide better protection than a bandana or a surgical-style mask (either homemade or manufactured) or a simple bandana, but '''it should still ONLYNEVER be used EXCEPT when medical-grade equipment is unavailableUNAVAILABLE'''.
'''Disclaimers: I am not a healthcare professional. This design has not undergone any laboratory or field testing. No warranty is implied or provided. Use at your own risk. Please use common sense, and please be safe out there.'''
Summary
Learn how to make an N95-style mask using simple materials. These masks should ONLY be used when medical-grade equipment is unavailable!.