air conditioner copper pipe 1)Copper tube:OD:1/4,&3/8,&1/2,& ... ) Length:3,4,6,7,10, air conditioner copper pipe Twin/pair insulated(isolated) copper tube/pipe Our product have got the CE certificate ... gases:R22,R407C,R410A,R404A,R507C etc.6,PE insulation pipe:I.D.from Φ8 to Φ22.7,PE insulation ... pipe:thickness from 8mm to 10mm.8,Character:Anti-UV,good ...