... 1)Copper tube:OD:1/4,&3/8,&1/2,&5/8,&3/4, (2) Length:3,4,6,7,10, Copper-aluminum ... connecting pipe(1)Copper tube:OD:1/4,&3/8 ... 1/2,&5/8,&3/4,(2) Length:3,4,6,7,10,15,20M(3)Color: white(4)port: shanghai(5)payment terms ... need any treatment can achieve cooling pipe The cleaning requirements.4, good insulation properties: air conditioning is needed to connect ...