10 X Dust Mask Respirator Fold Flat Valved FFP3 Protective Safety Face Masks

Description

The folding active carbon high-filtration mask with 5 layers. with a filter efficiency level of 99%(FFP3) or greater against particulate aerosols. with Adjustable nose clip. Not easy to be broken. Unique fastener design for adjustable straps.high filtration efficiency and low breathing resistance.