Product information “Full Face Mask SFERA/SPA (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 thread connection M 45×3 (DIN EN 148-3)
- 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
- positive pressure exhalation valve
- 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