PACK OF 3 PM 2.5 FACE MASKS.
PM 2.5 pertains to dust, spores, and pollen in the air. PM 2.5 refers to particles that have a diameter less than 2.5 micrometres which is more than 100 times thinner than a human hair and remain suspended and floating longer in the air. These particles are formed as a result of burning fuel and chemical reactions that take place in the atmosphere.
8 in stock