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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 X5A Over-the-Head Ear Muffs, Noise Protection, NRR 31 dB, Construction, Manufacturing, Maintenance, Automotive, Woodworking, Heavy Engineering, Mining, Black : Amazon.co.uk: DIY & Tools
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