Customized Water Based Fire Extinguisher Here is some knowledge about 2kg fire extinguishers: 1. 2kg extinguisher means that the mass of its extinguishing agent is 2kg. Fire extinguishing agent types include carbon dioxide, dry powder, foam, etc. 2. 2kg fire extinguishers can be used to extinguish fires in homes, offices, factories, shops and other internal Spaces, as well as vehicles, boats...