3M X5P3E Peltor Black Model X5P3E/37279(AAD) Cap Mount Hearing Conservation Earmuffs, English, 14.573 fl. oz, Plastic, 4.6" x 8.2" x 6.7": Amazon.com: Tools & Home Improvement
MAXIMUM SAFETY Cap Mount Ear Muff NPR 25 Hearing Protection MXCEM25-VPD4 - The Home Depot
Airgas - 3MRX4P51E - 3M™ Peltor™ X4P51E Black Cap Mount Hearing Protection
PYRAMEX CM6010 Hard Hat Cap Mount Earmuffs : Earmuffs : Hearing Protection | G&S Safety Products