Our SB(Spunbond) filter is pre-cut to fit in the pocket of our luxury masks .
The filter is not washable, once you have used the filter, please dispose of it safely.
Tested by Koungbook medical textile centre in Korea with KOLAS Korea.
• Experimented with 0.6 µm (1×10−6 m) particles
• It is suitable for blocking sneeze spread.
