3M Peltor MT7H79F-FM-50 MT Series FM Two-Way Radio Headset, Intrinsically Safe (NRR 25) - 3M Peltor MT Series High Noise Two-Way Radio Headsets (NRR 25)
3M™ Peltor™ WorkTunes™ 26 Digital Radio Hearing Protector – Safety Mart
Peltor Worktunes Digital Am Fm Mp3 Radio Headphones Hearing Protection Ear Muffs by Peltor (Packaged and distributed by 3M) - Amazon.com