... complied: GB/17791-1999, JISH3300,ASTMBB743;5. The copper pipe compatible any gas:R22,R407C,R410A,R134A,and so on ... is 15 days, and accept TT and LC; Single CoilInsulator pipe thickness Packing information Cupper tube O.D(Inch)Thickness (mm ... a white outside PE-protection layer14. ROHS certification.15. Air conditioner Installation Kit(water pipe,tape, plasticine)16. Note:Different size can be offered ...