Gas mask is a breathing device used to protect persons exposed to gaseous pollutant from inhaling the airborne pollutants. It protects by forming a sealed cover over the nose and mouth. The gas mask is generally known as respirators.
The gas mask consists of a tight-fitting face-piece that contains filters, an exhalation valve, and transparent eyepieces. It is held to the face by straps and can be worn in association with a protective hood. The importance of the filter is to filter the air getting to the wearer to remove contaminants.
Types of gas mask
Here are some types of gas mask (Respirators)
- Half-mask air-purifying respirators: This mask covers only the nose and mouth.
- Full-face respirator: This type of mask covers the whole face.
- Self contain breathing apparatus (SCBA): It is a supplied-air respirator. It is made up of a full-face mask with an air tank.
You can see the different gas mask and the prices on Ebay and Amazon
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