5 Layer PM2.5 Filters with Activated Carbon - 5 Pieces

Made with waterproof non-woven fabric, melt blown fabric, activated carbon fiber and high efficiency non-woven fabric.

The first layer is non-woven fabric,

The second layer is meltblown fabric 

The third layer is made with activated carbon charcoal fabric.

The fourth layer is thick layer of non-woven fabric that filters any particles that may have passed through the first two layers.

The fifth layer is a high efficiency non-woven fabric that allows for better air circulation and is skin friendly.

Help protect against airborne particles such as dust, allergens that causes allergies, smoke, pollution, ash, pollen and so on.