The battery-powered mask uses two replaceable H13 HEPA filters, dual three-speed fans, and a patented Respiratory Sensor to ensure the air you breathe is virus-free.
Author: Matthew Humphries
Date : 2020-08-27T15:41:24.000Z
Author: Matthew Humphries
Source : https://www.entrepreneur.com/article/355420
Date : 2020-08-27T15:41:24.000Z