Features:

• The Protos 3M Peltor Attachment Brackets allow you to attach a range of 3M Peltor ear defenders to your Protos Integral helmet.
• The streamlined Peltor X4 ear defenders are slim enough to also be parked within the Protos and feature 31SNR ear protection
• The Protos 3M Peltor Arm has a wider receptacle bracket so that the 3M Peltor communication solutions fit into the receptacle.
• With the Protos Communication Attachment Arm, it is possible to adjust the height of the 3M capsules and regulate the contact pressure.
• Supplied as a pair.