Tender For supply of 6.5 kg capacity co2 type ( trolley mounted) fire extinguisher is: 16018-2012 , 06 kg dry chemical powder ( abc) fire extinguisher (gas carteidge type as per is 15683: 2018 , extinguishers 09 litre capacity mechanical foam ( afff) type. as per is 15683: 2018 , 4.5 kg co2 extinguisher as per is 15683: 2018