Three-layer PP non-woven lab protection mask, 50/pk, 500/cs - 922001

NEST masks are designed to filter air entering the nose and mouth to block harmful gases, odors, droplets, viruses and other substances. They are made of nonwoven or melt-blown fabric.

Specifications
* Can filter some toxic and harmful substances, odor gases, dust, etc. in the air.
* Bendable nose clip to ensure a better fit between the mask and the face.
* Foldable, easy to store, light weight, easy to carry.
* The four-layer activated carbon protection mask is made of activated carbon fiber of high adsorption, which is more effective in filtering than the ones protection mask without activated carbon fiber.