supply of supply of soft copper pipe outer diameter 1/4 and wall thickness not less than 0.8 mm seamless bright finish and inside carbon free for split ac. accepted make - green, visiaro, mandev tubes, indigo metalloys or equivalent.supply of soft copper pipe outer diameter 1/4 and wall thickness not less than 0.8 mm seamless bright finish and inside carbon free for split ac. accepted make - green, visiaro, mandev tubes, indigo metalloys or equivalent.,supply of soft copper pipe outer diameter 1/4 and wall thickness not less than 0.8 mm s eamless bright finish and inside carbon free for split ac. accepted make - green, visiaro, mandev tub es, indigo metalloys or equivalent. [ warranty period: 30 months after the date of delivery ] ]