air conditioner copper pipe 1)Copper tube:OD:1/4,&3/8,&1/2,&5/8,&3/4, (2) Length:3,4,6,7 ... ,10, air conditioner copper pipe Twin/pair ... /4''2,Copper tube:thickness from 0.5mm to 1.5mm.3,Length: 3 meters to 30 meters4,Standard complied: GB ... water absorption9,Insulation pipe can be printed with letter. air conditioner copper pipe & Air conditioner parts