KT6 / Anbaco (Vietnam)
- Material: 3-layer filter fabric, 1 layer of chemical fiber dust filter in the middle and 2 layers of cotton fabric on the outside, with low resistance
- This is a scientific product of the Institute of Scientific and Technical Research on Labor Protection in Ho Chi Minh City. An Bac Company holds the copyright for application and production.
- There is an aluminum brace on top to keep the mask close to the nose
