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 fire fighters