Come learn about SilverTek NanoFit Masks • No-Wash ViralOff ® Technology • Nanofiber filtration for optimal breathability • All-day wear comfort combined with a sleek design The NanoFit Mask is infused with ViralOff®, an antimicrobial treatment that protects the mask and eliminates the need to wash it. This four-layer replaceable nano filter protects from particles