3M X4A Peltor Black and Chartreuse Model X4A/37273(AAD) Over-The-Head Hearing Conservation Earmuffs, English, 15.34 fl. oz., Plastic, 1" x 1" x 1" : Amazon.ca: Tools & Home Improvement
Casque antibruit électronique à modulation sonore 3M™ Peltor™ ProTac™ II(87-98 dB) | 3M France
3M PELTOR X Series Earmuffs, X3P5E, Hard hat Attached electrically Insulated : Amazon.ca: Tools & Home Improvement
3M™ PELTOR™ Optime™ 101 Earmuffs, H7B, behind-the-head, 10 pairs per case | 3M Canada
3M PELTOR Protac III Ear Headset, Slim, Black, Headband Version MT13H220A : Amazon.ca: Sports & Outdoors