4 ply Active Carbon Face Mask 1, Material:PP+FILTER +ACTIVE CARBON+PP ... Active Carbon Face Mask Similar products: active carbon face mask, dust mask, 1/2/3/4 ply face mask, etc. ... Product Details:1) Material: SBPP+FILTER +ACTIVE CARBON+SBPP2) Weight: 18g+20g+40+25g3) Color: White ... as coverall, isolation gown, surgical gown, lab coat, face mask, bouffant cap, mob cap, surgeon cap, doctor cap, ...