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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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3M Peltor X5A Ear Defenders with Headband, Earmuffs for Reliable Hearing Protection Against High Noise Levels in Industrial Settings, 37 dB, Black : Amazon.co.uk: DIY & Tools
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3M Peltor Optime II Ear Muffs, 30 dB, Helmet Mounted, H520P3A-410-GQ - Green : Amazon.co.uk: DIY & Tools
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