Backyak99 filter layer is coated with primer and nano salt particle solidified over the primer. When the mask is used the moisture from the breath liquifies and solidifies the salt coated surface, leaving naturally formed sharp salt crystal. The resulting nano salt crystal functions as a barrier that punctures bacteria & virus which result in sterilization effects.
– Blocks fine particles.
– Contains antimicrobial properties.
– Contains sterilizing properties.
– Comfortable breathing.
– Conformable fit.
Functional nose supporting system (Nose wire).
– Prevents mask from sliding off or going down.
– Prevents eyeglass from fogging or misting.
– Elastic bands for comfort
– Minimal band loosening.