3M E-A-R Model 1000 Earmuffs

The 3M E-A-R Model 1000 Earmuffs (330-3001) are constructed of a lightweight, non-conductive, dielectric plastic that will not allow electricity run through it. These ear muffs comes with large, soft ear cushions that fit comfortably around your ears and offer reliable hearing protection. 3M Model 1000 Earmuffs can be worn over-the-head, behind-the-neck or under-the-chin. The adjustable headband allows you to get a comfortable fit.

• Made from non-conductive, dielectric plastic
• Large ear cup openings
• Foam-filled ear cushions
• Can be worn in three different headband positions

Noise Reduction Ratings:

NRR 20 dB when worn over-the-head
NRR 22 dB when worn behind-the-neck
NRR 22 dB when worn under-the-chin