... 6,7,10, air conditioning pipe insulation&a/c fitting Copper Tube for Air ConditionerTwin/pair insulated(isolated) ... 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 with ...