(as of Feb 21,2021 02:13:11 UTC – Details)
Filtration efficiency: 99.9%.
Expiratory resistance: 23.8%.
Inhalation resistance: 65.5%.
Total side leak rate: 0.9%.
Unique electronic ventilation design system, to keep the fresh air flowing through your nose and mouth, suitable for long time use.
With filter function, 99.9% filter effect with Japan H13 high quality material filters.
You can connect the electric air filter to the mask, goggles, and protective clothing，and then optionally tie to arms, neck, waist, and head.
Continuous 500hours working by each filter element, adjustable wind speed, can be used for 8-10 hours with full charge, larger battery capacity, longer working time.