Face Mask Disposable 3ply Pack Anti Dust Filter with Comfortable & Excellent Fit Ear Loops The disposable 3-ply mask, Level-2 is FDA and CE approved It helps prevent contamination and captures liquid droplets that are expelled by the user. It also protects against smoke, flu, bacteria, and other airborne diseases and liquid. Protects against low to moderate levels of aerosols, spray and/or fluids. Design to be used comfortably by the elderly, sick, and immune compromised persons. It is 3-ply. The first layer is a non-woven material, the second layer is a meltblown material, and the third is a non-woven material. Product Specifications: Differential pressure, mm H20/cm2 (Breathability)