Acc. to EN 136 class 3. With EN 148-1 standard thread. Made of rubber and plastic, with speech diaphragm, replaceable front panel made of polycarbonate and two exhalation valves.Two exhalation valves guarantee lower exhalation resistance which is optimal for physical work.5-part strap with clamping buckles and carrying strap.Weight approx. 610 g.
Standards | EN 136 |
Weight | 610 g |
Material | rubber plastic PC |