Compatible with 3M PELTOR Headsets that have a 3M Product Number starting with MT53 or MRX21
Easily snaps into the rim of the hard hat
For use with the 3M Versaflo M-300 Series Hard Hat
Hard hat attachment plates are included for the assembly of a 3M PELTOR Headset to the hard hat
Microphone includes three adjustment points to fit to a wide range of head sizes
Noise-cancelling microphone for clear communication in noisy environments
This accessory is included in the NIOSH approvals for M-300 series configurations