Civilian SPH-4B, SPH-5 Aviation Helmet Upgrades
Ear Cup Components
Additional Components
Note: Choose the appropriate MicMuff® Microphone Cover for your helmet. If you have a dynamic microphone element choose #90010. For an electret element choose #90015. For a military dynamic (M-87) element choose #90020. If you are not sure, give us a call.
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ZetaLiner® Helmet Liner. Go to Sizing Page