HK Mask is reusable DIY mask, the double-layer cloth cover can be repeatedly cleaned and disinfected, and the built-in replaceable filter element has been certified by Dr. K. Kwong, Compared with various DIY mask designs in the workshop, the characteristics of HK Mask are as follows:
- The filter has been certified by Dr. K. Kwong, Doctor of Chemistry, which can exert the effect of isolating and filtering the bacteria on viruses, pheasants, and flying pheasants in general surgical covers.
- The design of HK Mask filter with three sides protruding out of the cloth cover can ensure that the filter covers the entire mask, and it is also convenient to observe whether the filter is displaced.
- The steps of inserting the filter are very simple, reducing the chance of touching the filter with both hands and reducing the risk of contamination.
- Made in Hong Kong.
- 10 nano filters included.