MSA 10190357 V-Gard Helmet Ear Defenders - Enhanced Comfort Hearing Protection Capsules with Helmet Mount for V-Gard Cap Style Hard Hats - Black/Yellow - Medium Attenuation SNR: 32 dB - Amazon.com
MSA 10190357 MSA V-Gard® H1 Safety Helmet Ear Muffs for Medium Attenuation | eBay
Hard Hat Mounted Hearing Protection for MSA V-Gard | MSA Safety | United Kingdom
766239 | MSA Hard Hat Mounted Earmuffs Class 5 30dB Suitable For Medium Level Noise Environments Blue - Suitable for MSA Elite and VGard 500 Hard Hats - (Helmet Not included)
Full Brim Cap Mounted Earmuff Compatibility with MSA HardHat