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HK Mask ( dual layer cotton mask with pocket for nano filter or paper towel)


100 pieces minimum

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Product Description

HK Mask that can achieve 73%filtration Efficiency with a paper towel, compare with 8.7% filtration efficiency for a single layer cotton mask.
A unique design from Dr. K Kwong and his team who specialized in Chemistry. His team develops a cotton mask that is reusable, with a sandwich layer that you can add a nano filter, a kitchen towel, a kleenex to enhance the filtration efficiency. This mask combined with a kitchen towel can achieve 73% filtration efficiency.