- Wide field of vision – not less than 80%
- Convenient adjustment of the head harness at four points and reliable fixation of the mask on the head
- Fast and reliable bayonet connection of filters
- Wide range of gas and particle filters
| Initial airflow resistance during inhalation at a constant volumetric flow rate of 160 dm3/min, Pa (mm wc), not more than: | – during inhalation: 250 (25) – during exhalation: 300 (30) |
| Weight, not more than: | 480g |
| Size: | 1, 2, 3 |
| Material: | – head harness: silicone – face seal: silicone – inner mask: silicone |
| Shelf life, years: | 10 years |