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Spring steel and PET headband,elastic and clamping force is moderate,soft foam-filled
cushions with a good seal;
NRR: 22dB;
Weight:260g;
Packing:1set/bag,24sets/ctn,52cm*33cm*38cm,10kg/9kg;
Application:
machinery,construction,mining,steel,transportation,automotive and other industries.
earmuff