Replacement Filter - PM2.5 (for OxyShield and OxyArmour) - OxyArmour Face Mask

2-Pack Replacement Filter - PM2.5

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Each Pack comes with 2 Replacement PM2.5 Filters 

1. What Does PM 2.5 Stand For?

PM 2.5 stands for the term ‘fine particulate matter’ and represents air pollutant particles that are up to 2.5 µm in size and composition (Aerosol Aerodynamic Diameter is less than 2.5 µm).

These can be liquid or solid particles that can be fine and ultrafine. PM 2.5 particles occur in cases of burning fuel, automobile exhaust, burning of garbage and landfill, processing and melting of metals, as well as chemical reactions that occur in the atmosphere.

They are also the primary contributors to the creation of smog, which has become an increasingly hazardous problem in hundreds of cities around the world.

PM 2.5 particles include sulfates, nitrates, ammonia, carbon monoxide, and many other heavy metal particles that can be hazardous to our overall health.

When inhaled, these particles can travel to the lungs and other organs, causing most commonly heart and lung disease. These particles can cause harm to anyone, but children and the elderly are most sensitive to the effect of PM 2.5 particles.

Also, they are more likely to cause harm to people with an impaired immune system, alcohol users, smokers, and generally people who lead a less healthy lifestyle.

Comparison Particulate matter vs virus
Terry Cralle, RN

2. What Is A PM 2.5 Filter Mask?

PM 2.5 filter mask is a mask that features a cloth pocket with replaceable activated carbon filter inserts. The mask can sometimes be made from thin foam and feature a vent system for easier breathing (some provide better inhaling and others provide better exhaling system) and better isolation of nose and mouth from the particles.

The mask allegedly helps dissipate your breath nicely and shouldn’t cause breathing troubles, irritation of nose, throat, or even eyes.

There isn’t usually a problem with condensation, so people don’t have problem wearing a PM 2.5 filter mask with glasses.

These masks often come with filters that feature activated carbon or activated bamboo pulp to prevent the particles from entering your airway.

Some masks come with adjustable ear straps, while other, high-quality PM 2.5 masks come with straps that go behind the neck to ensure better fitting and tightness where it is needed the most (around the nose and the chin).

These masks can be used without the PM 2.5 filter because they often feature several layers of protective cotton that can be effective for general use.

Pm 2.5 mask
Source: Terry Cralle, RN

3. What Does A PM 2.5 Filter Mask Protect You From?

A PM 2.5 filter mask should protect you from overall exposure to air pollution.

But, this only stands true in cases where the mask fits perfectly and is made from high-quality materials (features protective cotton layers and filters).

Nevertheless, the idea is that the mask should protect you from automobile exhaust, smog, smoke, mist, chemicals in the air (or in case you’re working with chemical sprays, for example), and similar occurrences and situations.

However, it is important to mention that there is NOT ENOUGH research conducted regarding the actual protective use and purpose of the PM 2.5 mask in order for us to actually list out every single thing the mask should and could protect you from.

4. What Are PM 2.5 Filter Masks Made From?

The PM 2.5 masks are generally made from cotton, while some brands even feature thin layers of foam to ensure a better fitting and easier breathing.

The masks usually feature several layers of non-woven protective cotton fabric. They also feature adjustable, stretchy ear straps, or additional straps that go behind the neck.

On the other hand, the PM 2.5 filters are usually made from activated carbon. The filters are made to have a lifespan of 1 to 3 days, while some companies claim to have filters that could last for several months, or be reusable in general.

layers of PM 2.5 layers