Product information “Full Face Mask SFERA (Class 3)”
- facepiece consisting of high-quality EPDM
- patented anti-fogging, non-reflecting, distortion-free and anti-scratch polycarbonate visor shield with very large field of vision
- with standard thread connection DIN EN 148-1
- built-in speech diaphragm
- the outstanding transmission of the voice allows the use of megaphones, telephones and two-way radios
- universal size allows the mask to fit tightly but without pressure irrespective of the shape of the face
- 1 large exhalation valve with exhalation valve pre-chamber results in low exhalation resistance and prevents dangerous media from penetrating the inside of the mask
- the inner mask is equipped with 2 check valves which reduce clearance volume and prevent the visor shield from misting up through even visor ventilation
- approved for firefighters