【Product Name】：Three-Layer Sweatproof Mask

【Color】: White

【Packaging】: 20 pieces per bag, 3000 pieces per box

【WEIGHT】: 0.8 kg/bag/20 pieces
【Application Scope】：Suitable for industrial environments in construction, chemical manufacturing, shipbuilding, metallurgy, electronics, furniture, hardware, agriculture and livestock, food processing, cement plants, textile factories, cutting operations generating dust, heavy metals, and other harmful pollutants, as well as dusty work sites.
[t_Product_Superiority]: Nanosilver BFE electrostatic filter material, providing high-quality air intake and effective dust protection for the mask, with efficiency exceeding 97%. Produced in fully enclosed purification workshops using automated ultrasonic manufacturing processes, this directly avoids contamination caused by traditional sewing techniques.
Warm reminder: This product is not suitable for use in environments with oxygen deficiency or where harmful gases or vapors are present.