The ST53 combines AVON's FM53 NIOSH-certified mask with modular breathing apparatus technology to provide positive pressure SCBA and/or PAPR capability for specialist applications. The ST53 system provides the operator with total flexibility to select the necessary level of protection while continuing to operate effectively.
The standard ST53 with lightweight, high-pressure backframe is available with 4500 PSI lightweight carbon cylinder options for 30,45, and 60 minute durations. (2600 PSI is available by Special Order)
With the option to mount on either side of the mask, it is unobtrusive and allows excellent intergration with weapons and other equipment