Fire extinguisher is dry power,own strong fire fighting performance,enviromental protaction,no harm,security, ... . 1KG Fire Extinguisher is filled with dry power(ammonirm phosphate) and nitrogen. 2. Dry power fire extinguisher is tangible and quick effect ... long term storage. 4. fire extinguisher is widely used in plants warehouses, institutions, schools, marketplaces,hotels, vehicles, vessels, etc ...