3M Peltor Optime I, H510AC1, Ear Muffs Headband, Lightweight Ear defenders, Hearing Protection reduces noise level by up to 27dB, Pack of 1,Yellow : Amazon.co.uk: DIY & Tools
3M Peltor WorkTunes Pro FM Radio Headset Battery Powered – Hearing protection with FM Radio Function for An Improved Work Experience, 32 dB, Black : Amazon.co.uk: DIY & Tools
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H520B-408 | 3M PELTOR Optime II Ear Defender with Neckband, 31dB, Green | RS
Ear Defender Headset - 3M Peltor Worktunes Pro - Shand Higson & Co Ltd