3M H31P3E OPTIME HELMETATTACHABLE(NRR23)1EA/BX10BX/CS

Product Details

Ear muff model The H31P3E is used together with a helmet and ear muffs to reduce outside noise levels to a safe level.

Feature :

Has a noise reduction rating (NRR) of 23 decibels when tested according to ANSI S3.19-1974 standards.

The stem of the ear cup is made of stainless steel. can be pressed to cover the ears to fit in the working position While wearing the helmet and unfold it when you want to take off the helmet.