Regal 3300 Owner's Manual page 165

For safety information, refer to your fire extinguisher label. General
safety requirements are described in the safety on board chapter of this
manual. Refer to the equipment manufacturer's manual for additional
information.
Avoid inhalation of potentially toxic combustion products. If
extinguishing system discharge occurs, ventilate space before
entering. Fumes and vapors caused by an extinguishing agent
are hazardous and toxic and could result in death and serious
injury.
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