The ultimate in marine fire protection, this system protects the engine compartment 24 hours a day, 7 days a week. USCG-approved using either FM-200 or FE-241 extinguishing agents. FM-200 is the most accepted and safest extinguishing agent on the market today, for people, equipment and the environment. FE-241 is for use in normally unoccupied areas only. To select: determine the volume of the engine compartment to be protected in cubic feet and select the model that meets or exceeds the calculated system volume of the engine compartment. Includes dash alarm, mounting bracket and owner's manual. Requires a manual discharge cable assembly for a manual discharge of the extinguishing system. Recommended for use with engine shutdown. Engine shutdowns required for diesel engines. Three-year warranty.