Neoprene Face Masks N95 Carbon Filter Mask for Coronavirus
Generally, there are 5-layers in the filter. The activated carbon layer could protect against airborne allergens and harmful gas, and the melt-blown layer could prevent bacteria and viruses. The 3-layers disposable medical mask is just with the melt-blown layer to antivirus. Our 5-ply neoprene respirator mask is as safe as the 5-layers N95 Face ...