Labor Protection Industrial Safety Face Mask Anti Particulate Mask Respirator,10 Pieces

الوصف

Material：Non-woven、breather valve，elastic cord Suitable project：Adult Function：Dust proof，sand prevention，the PM2.5，secondhand smoke prevention，Prevention of industrial dust and automobile exhaust etc note:under the condition of using time is 6 to 7 hours a day ，suggest to change new masks about 1 week.