3M H540A Peltor Optime III Headband Ear Defenders SNR 35dB

The 3M H540A Optime III is a high performance hearing protector that has been developed for use in extremely noisy environments.

The unique low profile headband design will help to maintain constant pressure thus providing confidence in protection.

The product is based on a technology featuring double cup design to help minimise resonance effect, resulting in excellent high frequency attenuation.

In addition, a combination of specially designed spacer and cup helps to provide excellent protection against low frequency sounds. 

Features

• Broad sealing rings for a great fit
• Soft plastic foam for a low contact pressure
• Low profile headband helps maintain constant pressure
• Good speech intelligibility
• Reduced moisture and heat build-up