1. Inner layer is made of soft PP, which reduces the fibre drops and increases the wearing comfortable 2. The filter layer is made of high efficient melt blown web, which resists dust and oil particle 3. Adjustable nosepiece and nose foam inside, provides a custom seal for different facial size 4. valved type duat mask, easy to breath, more comfortable and pleasant to wear
1. Inner layer is made of soft PP, which reduces the fibre drops and increases the wearing comfortable 2. The filter layer is made of high efficient melt blown web, which resists dust and oil particle 3. Adjustable nosepiece and nose foam inside, provides a custom seal for different facial size 4. valved type duat mask, easy to breath, more comfortable and pleasant to wear