*Breathing valve design may vary slightly depending on manufacturer availability.
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The 2.5 in PM2.5 refers to the size of the pollutant in micrometers.
While it is obvious that breathing in any particles in the air is going to aggravate your airways, experts are particularly worried about the extremely small particles such as PM2.5 as they not only penetrate deep into our lungs but are also so tiny that they can even pass into our bloodstream.
Going inside the house will limit exposure but does not eliminate the risks associated with breathing in PM2.5. Wearing a DIY, cotton mask or surgical mask will also not protect you because these masks do not have effective filters for capturing micro-particle.
By using a PM2.5 carbon filter, you help reduce the breathing intake of PM2.5 particles.
Available in Black or Red