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3M Combat Arms 4.1 EarPlugs with an acoustic filter and a switch for selecting the operating mode. They provide protection against through penetration of air.
They provide protection of hearing organs from loud noises: up to 16 dB in open mode, or up to 28 dB in closed mode.
The acoustic ISL microfilter suppresses the sharp pulse of the sound of a shot or explosion, but at the same time allows you to hear the surrounding environment and navigate in space.
Button switch is marked "3M" and "CAE" for easy switching between closed and open modes.
Delivery set: earplugs, black and green cord, case, instructions.
Features:
two protection modes for environments with different noise levels;
a soft retainer helps the earplugs stay in the ears during intense movement;
no need to take down when speaking.