supply of supply of soft copper pipe. , supply of soft copper pipe outer diameter 1/2 inch and wall thickness 21 gauge seamless br ight finish and inside carbon free for split ac. make : totaline or similar conforming to is 10773. [ warra nty period: 30 months after the date of delivery ] ] , supply of soft drawn 5/8 copper pipe and wall thickness 22 gauge seamless bright finish an d inside carbon free for split ac. [ warranty period: 30 months after the date of delivery ] ] , supply of soft copper pipe outer diameter 1/4 and wall thickness not less than 0.8 mm seaml ess bright finish and inside carbon free for split ac. [ warranty period: 30 months after the date of deliver y ] ] , suplly of insulation of copper pipe size half & quater for air conditioner. [ warranty period: 30 months after the date of delivery ] ] , refrigerant gas r-32 [ warranty period: 30 months after the date of delivery ] ] , refrigerant gas r-22 conforming to is: 5610/1993,reafirmed-2006 . [ warranty period: 30 months after the date of delivery ] ]