Each one-size-fits-all mask comes with an integrated interchangeable filter inside for instant use.
Visit website: https://www.r-pur.com/
R-PUR Nano News
Plume Labs Cycling Club goes out on the city streets to review R-PUR Nano mask
Plume Labs - 30-Sep-2019
PM2.5 filtration efficiency >99.9% even allowing for leakage due to different shaped facesRead more...