Pro 5 MP Fire Extinguisher is rechargeable and can be applied to multiple purposes. It is designed to meet most commercial and industrial specifications. Use on trash, wood and paper (Class A), liquids and gases (Class B) and energized electrical equipment (Class C). Clear instruction label using graphics shows steps required to operate the extinguisher. Easy-to-read gauge tells you the fire extinguisher is charged and ready for use. It contains 5.5 lb. of extinguisher agent. Fire extinguisher is manufactured from lightweight aluminum and features an easy-to-pull safety pin and tough metal valve assembly. It is UL Rated 3-A:40-B:C.