Avon Protection demonstrated its new CBRN mask and modular SCBA system for the first time at NAVDEX 2011 in an imaginary law enforcement exercise. The ST53 combines Avon's FM53 mask with innovative modular breathing apparatus technology to provide positive pressure SCBA and/or PAPR capability for specialist applications, and includes a light and compact air cylinder that can be efficiently carried on the waist. The FM53 mask has been specifically developed for operators requiring both positive pressure SCBA, CCBA, APR/PAPR and negative pressure capability. It has a patented twin exhalation valve that provides end users with the capability to use the mask as a negative or positive pressure respirator. This enables different threat environments to be entered without the need to change equipment. It is available with panoramic optically-correct, flexible visors; clear, sunlight, laser and blublocker outserts; voice-projection units and interchangeable nosecups for maximum comfort and fit. The FM53 is also interoperable with a variety of communications systems.
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