First Alert Auto 10-B:C Residential Rechargeable Fire extinguisher Model #AUTOMAR10 The First Alert AUTOMAR10 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. Commercial-grade metal valve and trigger Metal pull pin with safety seals deters accidental discharges Corrosion-resistant metal gauge Chemical-resistant and waterproof label with 4-step instructions won't deteriorate under marine conditions Easy-to-read pressure gauge Includes secure bracket with strap for easy mounting Sodium bicarbonate extinguishing agent US coast guard approved and UL rated 10-B:C