Tenders for Supply of Isi Marked Portable Fire Extinguisher Dry Powder Cartridge Type Suitable For Fighting Of Class A, B, C. Upright Type, Cylindrical Shaped. Nozzle And Discharge Fitting Material - Brass. Nominal Capacity- 6 Kg. Initial Dry Powder Charge- Yes, Material Of Cap- Brass Forging, Dry Powder Suitable For Class Of Fire- A, B, C. Body Construction- 2 Piece Welded Low Carbon Steel Specification- Is: 14609 And Is: 15683-2006.