breath out valve for face mask
thingiverse
Breath out valve for face mask (one way air flow valve) anti Covid19. Only to protect healthy, or medical staff! Do not use for already infected patients!!! https://youtu.be/Knk5Wop3__o Simply put, the breath out valve for masks allows only fresh air to pass through the material for inhalation, while exhaling used air outside and preventing moisture buildup! To wear a mask more comfortably, without fogging up glasses. The valve is inserted into a hole cut from a rubber glove or ball (screwed onto a screw). It's better to sew around the opening for the valve. The valve tightens and compresses the fabric. For disinfection with steam or an iron, you can unscrew the valve and remove it, then put it back on again. Washing it probably works just fine with it still attached. Only for protecting the healthy or medical staff! Do not use for already infected patients!!!
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