10 PM2.5 Face Mask Filters with Activated Carbon | 5 Layers | Lon...

10 PM2.5 Face Mask Filters with Activated Carbon | 5 Layers | Long Lasting | Great For Work, Workplaces, Offices, Homes, Indoor, Outdoor, Social Gatherings | PM 2.5 Charcoal Filter | Not Paper

• The first layer is made out of non woven fabric which doesn't have small holes like woven material.
• The second layer is made out of melt blown fabric which helps with filter, repel water and liquids, cushioning, strength and is washable.
• The third layer is made with activated carbon fabric that is widely used in industrial, medical and defense applications.
• The fourth layer is another layer of melt blown fabric which sandwiches the activated charcoal layer in the middle for maximum filtration efficiency.
• The fifth layer is another layer of non woven fabric. Please note that this material is made out of high efficiency non-woven fabric that allows for better air circulation and is skin friendly.