SilverTek is a health/tech company based in Greenwich, CT. The NanoFit Mask's proprietary design provides for ultimate comfort, fit and breathability. 🔸 No adjusting, no fogging glasses, no mask acne, just many comfortable hours of wear and increased productivity. 🔸 The mask is designed with sustainability in mind, as it is infused with ViralOff® a Swedish antimicrobial treatment that protects the mask from contamination so that it does not require frequent washing. 🔸 It includes a four-layer replaceable nanofiber filter, which protects from micro pollutants as small as 0.3 microns.