HAZARDOUS FREIGHT! An additional hazardous fee will be applied to your order at time of shipment. Your order will be shipped Fed Ex Ground and must be signed for at time of delivery by a person 18 years or older. Fireboy CG2-200-227 Fire Extinguisher. Covers up to 200 cubic feet. Fireboy CG2 Series Extinguisher. Heat-activated discharge is automatic at 165 degrees F (74 degrees C). A control panel indicator lamp and pressure gauge provide charge/discharge system status. Diesel powered craft must also install Auto Engine Shutdown System. USCG, Factory Mutual, and Bureau Veritas Approved.