Tender For supply of refill for dry chemical powder type extinguisher - 5 kgs. capacity, consisting of (a) 5 kgs. dry chemical powder . (b) catridge filled with co2 gas ( both powder & cartridge should be packed properly in a corrugatedcardboard packing box as a set ).material&specification: (a)is:4308/2003. amedment-3/2007 and (b) is:4947/2006. [ warranty period: 30 months after the date of delivery ]