ANTI-NOISE HEADPHONES OPTIME II
Ear muffs 1140 3m with patented tension adjustment system (up to 20% difference).
Double-branch quilted arch, adjustable in 6 positions.
Preformed absorbent foam (single) for optimal attenuation.
Weight: 225 g.
Application: recommended for intermittent exposure in metallurgy, engine test benches, aeronautics, power plants, automobiles. Complies with standard EN352-1