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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
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3M Peltor Optime III Ear Defenders Adults – Protective Earmuffs with Headband, Hearing Protection Against High Noise Levels in Industrial Settings, 35 dB, Black/Red : Amazon.co.uk: DIY & Tools
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