Honeywell FF01N - Pack of 50, White Flat Fold Mask comes under the type of PM 2.5 Particulate mask/respirator. This mask has high particle filtration efficiency with low breathing resistance feature. Usually, it is made up of silky smooth, hypoallergenic fabric for ultimate protection. It is a standard solution for air pollution, smog, or any other airborne particles and viruses. Honeywell face protection has a simple design with lightweight that can be folded and placed easily in the pocket. It is made up of ultrasonically welded, latex-free headbands to offer a right comfort level even in hot and humid conditions.