Feature : protect you from breathing in small particles in the air such as dust and mold. It is design to filter out at least 95% of the dust and mold in the air.
2/3 ply. Elastic ear loop or tie-on Middle layer: over 95% B.F.E.media Glass fibers free. Hypo-allergenic. Very low breathing resistance. High filtering efficiency. Perfect fitting. Packed in box of 50'smore...