SureFire Universal Acoustic Coupler Polymer Filter (2-Pack)

Designed to be used with their Sonic Defender line of earpiece hearing protection, the SureFire Universal Acoustic Coupler Polymer Filter attaches in place of the earpiece pass-through filter and enables two-way radio communication without interfering with the comfortable fit of the earpiece or radio acoustic tubing. A two-position filter cap provides maximum hearing protection when it is closed and allows sounds to be heard for maximum situational awareness when opened. The filter assembly is made of a high strength polymer to be durable, discreet, and compact. SureFire includes two couplers, and they are compatible with small, medium, and large sizes of Sonic Defender earpieces.