Why Should I Use Ege Active Carbon Mask Series? I trust it is suitable for domestic production mask and quality of legislation. Activated carbon weight per square meter; I get protected against chemicals with high low-density masks. 4-point connection headband face contact sealing tape for full protection, I prefer models that are easy to use. Homogeneous distribution of the offensive odor with use of activated carbon arranged in the form of particles, and the allowable limit value of the welding fumes under chemical gas / vapor I protected by.