- 1 Piece
- Kn95 Mask Active Carbon Pre-filter and Cotton.
- Purpose: protection, dust, pollen, industrial dust, cement dust, haze, micro-organisms and other non-greasy particles using the opportunity;Personal protection. colds, viruses, dust particles and soot
- Exhalation Valve for Extra Comfort ; Low Breathing resistance with high Filtration Efficiency
- Adjustable Nosepiece and Inner Foam Provide a custom Seal Elastic ear-loops with no pressure to the ears.Face-fit made basis 3D scanning technique for the Asian face
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