The Alpha half mask in EPDM or Silicone rubber is used together with filters with Rd40 connection.

The shape of the mask is developed with 3D modelling based on thousands of different individuals. The result is a one-size mask with excellent fit on all face shapes and with a wide internal seal for a tight fit. The adjustable head harness is made of two straps, the upper being divided at the back of head.

• Universal fit with excellent seal (leakage less than 0,05%).
• Low breathing resistance (< 1,2 mbar - inhalation, < 2,0 mbar - exhalation, @ 160 l/min).
• Reduced dead space, well below the maximum allowed.
• Good flame resistance and self extinguishing qualities.
• Quick and easy donning and doffing.
• Can be suspended from the neck, ready for use, with unfastened harness.
• High resistance to ozone attacks.
• Suitable for exposure to both low and high temperatures
• Unaffected by humidity.
• Easy to maintain, clean and disinfect.
• Compatible with glasses and goggles.
• Component materials are not likely to cause allergies or irritations