3M™ PELTOR™ Optime™ I Helmet Attach Earmuff H510P3GS/E, Yellow, SLC₈₀ 26dB (Class 5), 10 ea/Case | 3M Australia
ANSI Ventilated Climbing Hard Hat Combo | Earmuffs & Face Shield – Technopack Corporation
Helmet Mounted Ear Muffs | NAFFCO FZCO
Milwaukee BOLT White Type 2 Class C Front Brim Vented Safety Helmet w/BOLT Earmuffs with Noise Reduction Rating of 24 dB 48-73-1320-48-73-3250 - The Home Depot