3M N95 mask

High efficiency electrostatic filter cotton, the filter efficiency of non oily particles is more than 95%. Its design has the barrier performance of blood and other infectious liquid substances - synthetic blood is sprayed to the mask at 80mmHg pressure, and the inner side of the mask should not be penetrated

Service guarantee：

Applicable Enterprises： All enterprises

Sales area： Whole country

Pricing method： Pcs/Ctn