Shielding Gas (Mixture Of Argon 85% +/-1% & Co2 15% +/-1%). Each Cylinder Consisting Of 7 Cubic Metre, Gas Weight 12 Kgs +/-0.5 Kgs, Pressure 145 Kgs +/-1 Kg Per Sq Cm, With Manufactu Res Test Certificate For Gas Composition. Make: Mspl/Praxair/Inox/Southern Gas Or Similar. [ Warranty Period: 30 Months After The Date Of Delivery ] ]