Tenders for Supply Of Portable Fire Extinguisher Dry Chemical Powder Cartridge Type Having Composite/ss/aluminum Cylinder To Is:15683/2018, Normal Capacity Of Extinguisher - 6 Kgs. For Extinguishing Class-b & C Fire With Clause 9.2.6, 9.2.7, Or 9.2.8 Of Is:15683/2018..