4 ply Active Carbon Face Mask 1, Material:PP+FILTER +ACTIVE CARBON+PP 2, ... Name: 4 ply Active Carbon Face Mask Similar products: active carbon face mask, dust mask, 1/2/3/4 ply face mask, etc. Product Details:1 ... non-woven products, such as coverall, isolation gown, surgical gown, lab coat, face mask, bouffant cap, mob cap, surgeon cap, doctor ... 10 countries and regions. 4 ply Active Carbon Face Mask