Earmuffs - Noise reduction earmuffs for helmet KONG
3M™ PELTOR™ WS™ LiteCom Pro III Headset - Helmet Mount
3M Peltor Optime 98 Cap-Mount Earmuffs H9P3E
3M X4P3E Peltor Black And Chartreuse Model X4P3E/37278(AAD) Cap Mount Hearing Conservation Earmuffs, English, 30.68 fl. oz., Plastic, 5.7" x 4.5" x 8.2": Amazon.com: Tools & Home Improvement