The First Alert Marine Fire Extinguisher is rated class 10-B:C. This marine fire extinguisher is ideal for use on all types of boats. Fights flammable liquid and electrical fires. White color matches typical marine coloring. Durable metal head designed to meet demanding needs. If used; unit can be recharged by a certified professional. Includes mounting bracket to keep unit secure. 10-year limited warranty. Meets UL standards.