Specification: 165mm×107mm 4P 50 pcs/box
1）Check whether the package is in good condition before use, and
confirm the expiry date of the product.
2）The product is sterilized by EO, do not use if the package is
damaged before use.
3）Stop using mask if feel bad during wearing.
5）Single use only, do not reuse.
Feature: Filtration efficiency is more than 95%, when gas flow
is85L/min, Inhalation resistance is less than 343.2Pa（35mmH20）。