Fire Extinguishers by Amerex. Details: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.