... '',1.1/4'',1.1/2''2,Copper tube:thickness from 0.5mm to 1.5mm.3,Length: 3 meters to ... :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 heat resistance,low water absorption9,Insulation pipe can be printed ...