The cautions, limitations and restriction of use provided with the respirator must be strictly followed. If your mask does not make a tight seal all the way around your face when you inhale, you may breathe contaminated air that leaks around the edges of the face seal.
Anything that prevents the face mask from fitting tightly against your face, such as a beard or long sideburns, may cause leakage. You also need training to know how to correctly put the mask on and wear it correctly.
This information should be provided by the supplier of the respirator. Gas Masks and Escape Respirators reduce exposure to the hazard, but if the exposure is such that it goes beyond what the filter is capable of handling either because the amount of toxic gas or particles is more than what the filter is designed to handle, or because the exposure lasts longer than what the filter is designed to handle , the filter may not be effective in providing required protection.
Also, there may be a small amount of leakage even if the fit of the respirator has been tested. If so, and if there is large amount of a toxic chemical in the outside air, even that small leakage can be dangerous. Breathing through a respirator is harder than breathing in open air. People with lung diseases such as asthma or emphysema, elderly people, and others may have trouble breathing. Some people with claustrophobia may not be able to wear a mask or hooded respirator. Some people with vision problems may have trouble seeing while wearing a mask or hood there are special masks for people who need glasses.
There are a variety of problems with fit and use of respirators for children, especially small children and infants. For example, currently available masks are unlikely to fit the faces of small children and infants. As with respirator use by anybody, fit-testing, training, and proper use and maintenance are essential. Cartridges, filters, and masks get old.
Cartridges can have a limited life. If the filter cartridges that attach to the mask are outdated, have been open to the air or are damaged, you are not protected. Cartridges that contain charcoal or other chemicals for filtering the air should be in air-tight packages.
If cartridges are open or not packed in air-tight packaging, they should not be used. Even cartridges in original packaging have expiration dates that should be checked before purchase. Also, over time your mask can get old and break down. Keep your mask in a clean, dry place, away from extreme heat or cold.
Inspect it according to the manufacturers instructions. Military-spec filtration technology with 40mm NATO threading and a year shelf life.
At MIRA Safety, we understand the challenges faced by military forces, hazmat crews, emergency response teams, law enforcement, and anyone preparing for the most difficult circumstances known to man. We offer only the highest-quality gas masks, PAPR systems, protective coveralls, and hazard detection equipment on the market to provide emergency preparedness, comfort, and superior protetion under the harshest conditions.
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Canister Gas Mask. To guard against a biological attack, you would need not only to carry the mask but also wear it at all times, since the presence of biological agents is not obvious without advanced sensors. Gas masks capable of effectively protecting people from either chemical or biological agents are not a "one size fits all" purchase.
At this point there are many different sizes and brands of masks available on the open market. It is critically important to make sure that the mask fits you properlya loose gas mask defeats the purpose.
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