![]() ![]() You need to know what hazards you will face in order to be certain you are choosing the right filters. There are cartridges available that protect against more than one hazard, but there is no “all-in-one” filter that protects against all substances. Selecting the proper filter can be a complicated process. Gas Masks are effective only if used with the correct cartridge or filter (these terms are often used interchangeably) for a particular biological or chemical substance. When the user inhales, air is pulled through the filter. The cartridge may have a filter to remove particles (such as a biological weapon), charcoal (to remove certain chemicals), both, or other parts. This respirator includes a facepiece or mask, and a filter/cartridge (if the filter is in a metal shell it is called a “canister”). Gas masks are also known as “air-purifying respirators” because they filter or clean chemical gases and possibly particles out of the air as you breathe. There are several different types of respirators, as described below. What is a respirator?Ī respirator is a device to protect you from inhaling dangerous substances, such as chemicals and infectious particles. The following information will help you understand what a respirator is, and how it should be used. If you do not use a respirator correctly, it is very likely that it will not protect you-and may even hurt you. This information is provided by the supplier of the respirator (i.e. Training is extremely important in regard to the storage, maintenance, use, and discarding of the respirator. Some escape respirators come in a package that must remain sealed until use, so you need to be trained using a special “practice” version. Sometimes you can practice using your own respirator. Every respirator contaminated with hazardous chemicals should be decontaminated and disposed of properly.Īll respirators require training to be properly used. Some respirators prevent the user from talking while others have speaking capabilities. Others use a nose clip and mouthpiece, which is clenched between your teeth, similar to a snorkel. Some respirators require testing to ensure a tight fit to the face, and should not be used with facial hair.
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