Block VARIANTS PTFE face mask Made in Taiwan 50 pcs

Description

Please check the presentation pictures first for understanding the differences to other face masks.
High grade quality, real protection
The most important middle layer is a nanometer pore size Polytetrafluoroethylene (PTFE) membrane which has the highest filtration to block dust, pollen, and virus. The test result showed 99% efficiency.
Filtration system works longer time ( up to 24 hrs) compare to 2-4 hrs on regular mask.
PTFE face mask is light weight, thin, high breathable, the best filtration (see attached chart). Comfortable wear.
BFE 99.9% PFE 99.9%
Each face mask is in sealed individual pack (see attached picture), longer storage time
50 pieces in vacuum sealed bag
All sales are final
Made in Taiwan