This three-layer face mask is treated with HeiQ Viroblock antimicrobial technology that protects it against contamination by microbes and germs, with a biocide of Silver Chloride. The outer layer has a Teflon™ water-repellent coating, the middle filtering layer provides an optional pocket for the addition of our PR797 PM 2.5 Carbon Filter and the inner layer is treated with HeiQ’s Viroblock technology that will remain effective for up to thirty washes at 60C . This mask offers a snug fit over the nose and under the chin and can be secured in place with elasticated ear loops with an adjustable drawcord

• HeiQ Viroblock antimicrobial textile technology applied to the inner layer.
• Three layers with an middle filtering layer.
• Elasticated ear loops and drawcord to fit securely in place.