Gem Bids For Refilling Of Fire Extinguisher Cylinders - Dry Powder Fire Extinguisher; 4 Kg; More Than 5 Years Refilling Of Fire Extinguisher Cylinders - Dry Powder Fire Extinguisher; 2 Kg; More Than 5 Years Refilling Of Fire Extinguisher Cylinders - Dry Powder Fire Extinguisher; 9 Kg; More Than 5 Years Refilling Of Fire Extinguisher Cylinders - Water Type Co2; 9 Litres; More Than 5 Years Refilling Of Fire Extinguisher Cylinders - Foam Based Fire Extinguisher; 9 Litres; More Than 5 Years Refilling Of Fire Extinguisher Cylinders - Carbon Dioxide Fire Extinguisher; 4 Kg; More Than 5 Years Refilling Of Fire Extinguisher Cylinders - Carbon Dioxide Fire Extinguisher; 22kgs; More Than 5 Years