supply of supply and installation of fire extinguishersupply and installation of fire extinguisher,supply and installation of fire extinguisher as per latest bis 15683:2018 of 6 kg capacity, with ul approved clean gas with auto manual reverse stainless steel valve having capacity 6 kgs and made up of stainless steel 304 grade cylinder pressure 14 bar, range 3-4 meters, valve body pressure die-casted ss-304 unique valve with leak proof design, delivery method nozzle with flexible hose pipe, ul listed hfc-23fa clean agent, accessories heavy duty wall mounting bracket alone with fire extinguisher, clean gas shelf life with 10 years warranty for leakage as per specification [ warranty period: 120 months after the date of delivery ]