Carbon Dioxide (Co2) As Shielding Gas For Metal Arc Welding (Gmaw) As Per Is:307/1996 ( Reaffirmed 1996) Cylinder Capacity 31 Kgs. Each Purity 99.8% Maximum Moisture Content 32 Ppm Special Condition Minimum Validity Period Of Supply Should Be 2 (Two) Years From The Date Of Issue Of Purchase Ord Er. (Hsn Code 28112190) [ Warranty Period: 30 Months After The Date Of Delivery ] ]