amerex b500 abc fire extinguisher 2a-10 bc rated, 5 lbs. amerex the amerex abc 5 lb. commercial fire extinguisher was designed for longevity and provides the best in fire protection for office buildings, retail spaces, parking decks, hospitals, and other environments prone to class a,b, and c fires. all-metal valve construction and durable high gloss paint are just a few of the features that add to the quality of this dry chemical fire extinguisher. the amerex fire extinguisher comes with a wall bracket and a 6-year manufacturer’s warranty.