M2F
M2F NBC protective mask
Full-face NBC protective mask supplied as a set with NBC M2 filter, carrying bag and cleaning kit, in three facepiece sizes.
Enlarge M2F NBC protective mask
Specification
| Set contents | Facepiece, NBC M2 filter, bag, cleaning kit |
|---|---|
| Sizes | Small, medium, large |
| Mask weight | not more than 500 g; approx. 800 g with NBC M2 filter |
| Weight of bag with mask and filter | 1300 g |
| Field of vision | not less than 70% of normal |
| Transparency of the glasses | more than 87% |
| Total inhalation resistance | not more than 230 Pa at flow of 0.5 dm3/s |
| Exhalation valve resistance | max. 70 Pa at flow of 0.5 dm3/s |
| Facepiece airtightness | positive pressure 3000 Pa for 60 s |
| Voice clearness index | > 0.85 |
| Filter connector | EN 148 standard thread |
| Operating temperature | -30 to +50 deg C |
| Shelf life | 10 years in original packaging |
All data provided for information purposes; final specification is defined per contract. Full technical data sheets are issued on request against a stated end-user.