3.Low respiratory resistence
1.Can be used when spraying fumes, when painting, dusting or when you are doing work that you don't want to inhale.
2. Simple light weight protection for the nose, sinuses and lungs.
3. Comforms to ergonomics,lightweight,comfortable to ues.
4. High filtrability,lower respiratory resistence.
5. 3-4 layers More adapts for dangerous condition