Photo of 3M Peltor™ Ear Defender & Neckband Optime™ 26dB Ear Protectors H510B-403 Earmuffs Yellow

3M Peltor™ Ear Defender & Neckband Optime™ 26dB Ear Protectors H510B-403 Earmuff

  • £38.99
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3M Peltor™ Optime™ I Earmuffs, 26 dB, Yellow, Neckband

The 3M Peltor Optime I ear defenders are designed to provide a moderate level of attenuation that meets the needs of tough and noisy environments. 

The Peltor Optime I ear defenders combine comfort and wearability with functionality for improved efficiency within your workplace operations. 

The soft wide cushions are made from a polyether foam has great energy absorption and helps to reduce pressure around the ears and improve comfort.

High Performance

These high-performance ear defenders have an SNR (single number rating) of 26 decibels (dB) offering exceptional value in maintaining safety in extreme noise environments. These figures are achieved when correctly selected and worn to help reduce exposure to hazardous levels of noise.

Rugged Design

The Optime I hear protection are ruggedly built to cope with everyday wear and tear in harsh environments. The soft large cups are relatively lightweight around the ears and excellent balance and wearer comfort. The neck bracket is variably adjustable and adapts perfectly to any head shape thanks to the ergonomic shape.

Features and Benefits

Ideal hearing protection against noise arising from a wide range of applications in the workplace and leisure activities

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

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

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.





Optime I

Attachment Type


Single Number Rating SNR


Standards Met


Product Weight




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