Photo of 3M™ Ear Defenders Peltor™ Optime III 35dB Ear Protectors & Headband H540A-411 Black

3M™ Ear Defenders Peltor™ Optime III 35dB Ear Protectors & Headband H540A-411 UK

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3M™ Peltor™ Optime III™ Ear Defenders

The 3M™ Peltor™ Optime III ear defenders are designed for use in extremely tough and noisy environments. These provide high levels of attenuation, particularly with sound dominated by low frequencies. The Peltor™ Optime III™ ear defenders combine comfort and wearability with functionality for improved efficiency within your workplace operations.

High Performance

These high-performance ear defenders have an SNR (single number rating) of 35 decibels (dB) offering exceptional value in maintaining safety in extreme noise environments.

Rugged Design

The Optime III™ hear protection are ruggedly built to cope with everyday wear and tear in harsh environments. The soft wide cushions help to reduce the pressure around the ears and improve comfort and wearability.

Features & Benefits

Ideal hearing protection against noise arising from extremely noisy environments like airports, marine engine rooms, power stations and print works

Double casings technology helps minimise resonance effect

Large space inside cup helps reduce moisture and heat build-up

Soft wide cushions help reduce pressure around the ears and improve comfort and wearability

Easy to replace cushions and inserts help keep them hygienically clean

Typical Applications

Power stations

Mining operations


Engine rooms


Cement manufacture

Industrial operations


Why are ear defenders necessary?

Hearing protection is designed to protect the user from extreme noise levels. The padding of the cushion is made from a type of acoustic foam that absorbs the waves to stop them from reaching the eardrum.Some everyday tasks can damage your hearing and can have a catastrophic effect. So it's important to protect yourself of task/activities such as mowing the lawn.


CE approved to EN 352-1:1993

Attribute Value
Series Optime III
Attachment Type Headband
Single Number Rating SNR 35dB
Standards Met CE
Product Weight 285g
Colour Red

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