Be prepared for fire emergencies at your workplace with an extinguisher that's designed for standard commercial applications. Rechargeable units are easy to service and fit in all standard cabinets. Seamless cylinders have chip-resistant epoxy finish. Reliable gauge for fast and easy pressure checks. Mounting bracket included. Strong forged aluminum valve. Material(s): Steel Cylinder; Fire Class: A:Com.Combustibles/B:Flammable Liquids/C:Live Elec.Equip.; UL Rating: 10A-80B:C; Charge Weight: 18.00 lbs.