3M PELTOR X4 Ear Muffs Replacement Cushions and Liners Designed Only for PELTOR X4 Series Over-the-Head Ear Muffs X4A or Hard Hat Attachment X4P3E,Black: Ear Protection Equipment Accessories: Amazon.com: Tools & Home
3M X4P51E PELTOR X4 Earmuffs Hard Hat Attached - Industrial Safety Products
3M Peltor X4 Earmuffs - Head & hearing protectors
Peltor X4A-OR X-Serie Auditive Protectors Black | Bricoinn