The mask has a PM2.5 air filter as well. This is very important when it comes to polluted air. Normal surgical masks will keep some of the polluted particles away, but not all of them. Some particles, and there are a lot, will get through that material that normal mask have and will put you at risk. With FREEMVN Carbon Fiber Filter Freedom Mask, who has the filter, the air that you will breathe will be 100% free of any particles and fresh. Trust me, if you wear this mask while outside you will notice a huge difference in the air you breathe! FREEMVN Carbon Fiber Filter Freedom Mask offers some great advantages here as well! https://fitbreathing.com/freemvn-carbon-fiber-filter-freedom-mask/

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