3M Peltor LiteCom Plus Two Way Radio Headset, MT7H7P3E4610-NA, Hard Hat Attached, 1 EA/Case: Amazon.com: Industrial & Scientific
3M PELTOR X2 Ear Muffs Replacement Cushions and Liners Designed Only for PELTOR X2 Series Over-the-Head Ear Muffs X2A or Hard Hat Attachment X2P3E, Noise Protection, 1 Pair: Ear Protection Equipment Accessories:
3M Peltor WS Alert XP MRX21P3E2WS6 Helmet Mounted Headset Black - Earshot Communications
3M Peltor Hearing protection Radio DAB+ FM Headset