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OSHA requires respirators to be worn by millions of workers in the workplace in the United States. Respirators protect workers against insufficient oxygen environments or against harmful dust, mist, fumes, mists, gases, vapors, and sprays – dangers that can cause fainting or unconsciousness, lung disorders, cancer, diseases, or death.

Compliance with OSHA Respiratory Protection Standard averts hundreds of deaths and thousands of illnesses annually. Safety, health, and emergency response professionals need products that enhance and improve their respiratory protection programs, while users want comfort and performance.

Respiratory protection products including an air-purifying respirator, which can be a full-face respirator that covers the eyes and nose or half-mask respirator and disposable particulate respirators. If you are working in an industry where harmful gases are emitted then you need to use gas masks to protect your health. You can buy gas masks from

Air-purifying respirator filters, cartridges, or air purifying tubes that remove contaminants from the air with the ambient air passing through the element before it reaches the user. Particulate respirators from manufacturers such as 3M and Moldex does not have a replaceable cartridge or tube.


Particulate respirator captures airborne particles, such as dust, fog, and smoke. However, they do not protect against gases or vapors. Some particulate respirators will have N-95, N-99, or N-100 rating. The use of the letter N indicates the respirator is non-resistant oil and a number showing the percentage of airborne particles from the filtered particulate respirator.

In general, this type of respirator to be more effective as the particles accumulate in the filter and the space between the fiber connectors. They require replacement when the user finds it difficult to breathe.

Full face respirator or half-mask air-purifying respirator typically used in an atmosphere containing the dangers of both particulates and gases. This respirator cartridge or tube using a chemical to remove harmful gases or vapors.

Given the different nature of the gas or vapor, cartridges or tubes are specifically designed for certain substances. Therefore, it is absolutely essential that the user knows what kind of gases or vapors may be present and have a respirator that can address specific security issues.

Know About the Basic Types of Respirators