supply of supply of bis(15683:2018) listed semi automatic stainless steel fire extinguisher with ul approved clean gas with auto manual reverse stainless steel valve , supply of bis(15683:2018) listed semi automatic stainless steel fire extinguisher with ul approved clean gas with auto manual reverse stain less steel valve having capacity 4 kgs and made of stainless steel 304 grade cylinder pressure 14 bar, range 3-4 , meters valve body pressure die-casted s s-304, unique valve with a leak-proof design, delivery method nozzle with flexible hose pipe , ul listed hfc-236fa clean gas shelf life with 10 years warranty for leakage. test certificate of any nabl approval lab for clean gas and bis(15383:2018), as per attached drawing & specification. [ warranty period: 30 months after the date of delivery ] ]