Brooks’ MARK SERIES FIRE EXTINGUISHER CABINETS better ft today’s extinguisher sizes. Cabinets feature injection molded ABS plastic construction, so they are dent-, rust-, and corrosion-proof. Each cabinet comes with a brass lock, a plastic cover, and a screen-printed pictogram on the side.With no glass to break, there is no breaker bar to lose. Because they are light and nest easily together freight charges are a fraction of what metal cabinets can cost.