[Features] ● Equipped with a special patented filter that absorbs noise at both high and low frequencies. ●Conversation can be heard clearly. ●Since moisture inside is discharged through a filter, it can be used comfortably even when worn for a long time. -Comes with a metal case with a key ring for easy carrying. ●Two sets of M and L sizes (only one set of filters). ●Can be washed and used again and again.
[Use] ●In environments with noise up to 166 dB. - Military related. ● Aircraft-related. ●Forging work, when using power tools such as nailers.
[Specifications] ●Code: None ●Size: M+L ●Color: Black ●NRR value (dB): 13 ●SNR value (dB): 19 ●Case: Yes ●Noise environment: Up to 166dB
