1.air conditioner copper pipe , screwed pipe 2.model 1/2,5/8,3/4,7/8 3.wall thickness 0.6-1.2mm ... ,1.2mmLength: 40cm, 50cm, 60cm,etcUsed for household air conditioner , commercial air conditioner , central air conditioner , car air conditioner and joint pipe for machinery .Special specification can be ...