Pittsburgh, Pa., July 2011 – MSA’s new M7 I-HUD Receiver for FireHawk® M7 Air Masks is worn on the INSIDE of your facepiece, with 40% weight reduction compared to our external HUD. New LED light patterns enhance safety and security; unit syncs with SCBA upon startup and withstands brief water splash and submersion. Easy to install and remove – simply slide unit over nosecup to secure in place.