This rechargeable commercial fire extinguisher by First Alert is ideal for large commercial needs. This large multi-purpose use extinguisher fights flammable liquid, electric, wood, paper, fabric and other types of fires. Durable metal head is designed to meet demanding commercial use requirements. If discharged, this unit can be recharged by a certified professional. Includes commercial strength wall mounting hook to keep unit secure. The product is covered by a 12-year limited warranty.