What kind of fine dust mask should I wear for going out?

Life Style

I want to buy a fine dust mask, but I usually try to wear it when I go outside. I heard that all three are for fine dust, so which one of the three should I wear?

447 3 8 years ago

popular Meaning of a.k.a

pu1. I'm just wearing the safest '94. There's not much difference in price anyway

2018-04-16

pu2. If you're out of breath after working out, you need to wear 80mm. Otherwise, just be safe

2018-04-16

pu3. Thank you. I should just buy '94Hah!

2018-04-16

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