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3M H7A Hearing Protector (SAFETY PRODUCT) 3M H7A Hearing Protector (SAFETY PRODUCT)

3M H7A Hearing Protector (SAFETY PRODUCT)

"Key Features & Applications:

Excellent attenuation at low and high frequency Delux Ear Muffs greatly reduce severe noises to protect worker in any environment. Can be used upto noise levels of 101 dB Noise Reduction Rating: 27dB (When used as directed).

The PTL HT listen-only headband headset offers attenuation with the push of a button. This comfortable and durable communications headset allows for long-term use under exacting conditions.


  • Hearing protection
  • Noise reduction
  • Listen-through capabilitiy with the pass-through sound limited to 87 dB
  • Auto-switches to full protection after 30 seconds or when button is pressed again
  • Earcups with liquid and foam-filled comfort cushions for long wear and optimum seal
  • Possible industries include: heavy equipment operators, airports, manufacturing, construction, agricultural, racing, oil rigs, petroleum refineries
  • NRR 25dB* *The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided. 3M is Leading the Advancement of Hearing Conservation?


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