Many mask users always place queries regarding the use of half gas mask vs full-face gas mask and how to decide the mask that they need to choose hence we have come up with a comprehensive guide to help you understand when to use which mask and answers to other frequently asked questions;
Half gas mask is used in scenarios where the environment is not so critical that it will harm your eyes and if you still need to use the mask in such a hazardous environment, then you will have to use a safety glass but it will not protect you as-well-as the full-face mask does. Hence choose the level of hazard to pick the right gas mask.
Following are a few benefits of the half gas mask;
Each gas mask comes with filters that must be selected based on the hazard against you need to use this. If you do not use the right filter, then the mask cannot protect you from getting into danger.
Another factor that is important is that the half gas mask needs to fit you perfectly because if there is any break in the seal then the hazardous gas will enter the mask which will become a health hazard for you. There are several reasons for mask seal break including not using the right size mask, beard or any facial hair on the face or a damaged respirator gas mask.
Each half gas mask is designed to protect you against certain level of hazard with the help of the filters but if the hazard exceeds the levels that the filter is capable to handle or the exposure lasts longer than the filter is designed for then the mask will not be effective in providing you complete protection, Also, there are always chances of leakages through the mask if not fit-tested right which may allow the outside air to enter the mask causing health hazard.
Breathing through these gas masks is difficult than natural breathing hence if you are suffering from lung or heart disease then you may find trouble breathing through the mask that may escalate your health condition. There are also people who suffer from claustrophobia who may find these masks uncomfortable however half gas mask is still preferred by such people rather than a full-face mask.
Children always face issues when it comes to fitting the mask as their face is small, hence they may not achieve a perfect seal. Also, the use of these gas masks requires training to understand how to use it properly which is difficult for the kids to follow hence it is not recommended.
Will my Gas Mask and Filter Mask Protect Me Forever?
Both the half-face mask and its filters may get old and face wear & tear and contamination. The filters have a limited time till which they can be used and when exposed to that set limit of contamination; they need to be replaced. The mask also wears off after multiple uses and you will have to change it some time for sure.
How Long Does a Filter and Half Gas Mask Last?
This depends on the filter's capacity and the amount of hazard in the air. The more the concentration of the hazardous chemical, the faster the filter needs to be replaced due to contamination, there is no set time limit to it and it depends on your nature of use. The half gas mask, on the other hand, can last longer than the filters as the filters can be replaced in them but after every use, the mask needs to be cleaned and tested for any breaks. If you find any indication of wear and tear or the seal is not air-tight, then it is time to discard it.
If I wear the Half Gas Mask Correctly, am I Completely Safe?
The filter of the mask only will protect your respiratory system but if there are dangerous chemicals present in the atmosphere that can cause damage to your eyes or can be absorbed through the skin then the half gas mask cannot protect you against it and you will have to find proper protection in such cases, look at the M50 Gas Mask.
Will a Half Gas Mask Protect Me in an Oxygen Deficient Environment?
No, these gas masks do not supply oxygen as it is designed to only filter out harmful gases from the air you breathe in to protect you from the hazardous environment hence do not use this mask in an oxygen-deficient environment or else it will cause suffocation.
Will a Half Gas Mask Protect Me In-case of a Fire?
If you want to use this mask to escape from a smoke-filled building, then the answer is "NO". Smoke particles can clog the gas mask filters which may cause difficulty in breathing and special filters are needed to protect against the harmful gases that can occur during a fire such as carbon monoxide. Hence, not all gas masks are designed to protect you in such a scenario, and you need to purchase a specific mask that will help you if there is a fire.
How to Buy a Legit Half Gas Mask?No U.S. agency tests these half gas masks and certifies it for the use of the general public but the National Institute for Occupational Safety and Health (NIOSH) tests and certifies these masks for use by workers, to avoid workplace health hazards. Hence these respirator masks will say "NIOSH Approved" and will also have a certification number. NIOSH certifies respirators only against specific hazards and even if it does, that does not mean it will protect you against all hazards hence while buying these gas masks, check the label to confirm the level of protection which is certified by NIOSH to make sure that it is appropriate for the hazardous environment where you will use it.