Gem Bids For Refilling Of Fire Extinguisher Cylinders - Carbon Dioxide Fireextinguisher; 4 Litres; 4 Years To 5 Years, Refilling Of Fireextinguisher Cylinders - Dry Powder Fire Extinguisher; 4litres; 4 Years To 5 Years, Refilling Of Fire Extinguishercylinders - Foam Based Fire Extinguisher; 4 Litres; 4 Yearsto 5 Years
