... restaurant, department, warehouse, vehicle and ship. Company office B). Description --- 4kg dry powder fire extinguisher (stretching cylinder) Type:4KGItem No.: ... 3L,4L,6L,9L 7> Extinguisher accessory Extinguisher cylinder,Co2 fire extinguisher cylinder, Powder, Fire escape mask, Fire blanket, ... How to use-4kg dry powder fire extinguisher (stretching cylinder) Pull the Pin at the top of the extinguisher ...