The half mask can be used with the optrel swiss air. The half mask is made of flexible silicone: it conforms to the face without causing allergic reactions or dermatitis.
For a perfect fit, three sizes are available: small (S), medium (M) and large (L). 90% of faces correspond to size M.
Characteristics:
- Flexible silicone that adapts to the face
- Transparent window
- Replaceable exhalation valve
- Easy to clean
Protection level TM3 (EN12942) or TH3