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3M H520AC1 Peltor Optime II Comfort Earmuffs, Black, (94-105 dB) & 3M Peltor Optime I Earmuff H510A; Hearing Protection against noise levels in the range of 87-98 dB (SNR 27dB), yellow :
3M PELTOR X2 Helmet Mount Ear Defenders :: 30snr :: UK Delivery
Amazon.co.uk: Personal Safety: 3M™ PELTOR™ X series Ear defenders
Peltor 3M X5A Ear Defenders with Headband, 37 dB, Black & 3M X2AC1 X2 Earmuff; Ear Defender, Hearing Protection against noise levels in the range of 94-105 dB (SNR: 31dB) : Amazon.co.uk:
Peltor X Ear Defenders Hygiene Kit - Ear Pads and Foam
3M X2A Peltor Black And Yellow Model X2A/37271(AAD) Over-The-Head Hearing Conservation Earmuffs, English, 9.6642 fl. oz., Plastic, 5.7" x 4.5" x 8.2": Amazon.com: Tools & Home Improvement