Component materials are not likely to cause allergies or irritations. Universal fit with excellent seal (leakage less than 0,05%). Low breathing resistance (<1,2 mbar during inhalation, <2,0 mbar during exhalation, at a rate of 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. Longlasting, high resistance to ozone attacks; suitable for exposure to both low and high temperatures and unaffected by humidity. Easy to maintain, clean and disinfect. Compatible with glasses and goggles. Weight: POLIMASK 230 approx. 160 g.