supply of refrigerant gas r 407crefrigerant gas r 407c,refrigerant gas r 407c conforming to is : 15548/2005 or latest in returnable cylinder having the capacity of 45 kgs gas. refrigeration gas r-407c comprising with 23% of r-32, 25% of r-125 & 52% of r-134 a in cylinder of 45 kgs each having chemical name difluoro methane penta fluoro ethane1,1,1,2- tetra fluoro ethan e and chemical formula ch2f2/cf3-chf2/cf-3-ch2f suitable for ac rmpu coaches refrigerant gas r 407c filled in company sealed refrigerant cylinder of 45 kg capacity each, indicating cylinder weight, net weight of the r efrigerant gas, gross weight and date of filling of refrigerant gas. the firm has to submit test certificate at the time of delivery. [ warranty period: 30 months after the date of delivery ] ] => limited