... tube:O.D.1/4''&3/8'',1/4''&1/2'',1/4''&5/8'',3/8''&5/8'',3/8''&3/4'',1/2''&3/4''2,Copper tube:thickness from ... 0.5mm to 1.5mm.3,Length: 3 meters ... 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 ...