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1）100% copper made, NO aluminum or aluminum + copper. C12200 soft annealed copper tubing comply to US standard ASTM B280.
2）Suitable for R410a & R22 split air conditioner tubing with 0.81mm wall thickness
3）3/8" thick insulation, with excellent thermal insulation, well prevent condensation specially in high humidity areas.
4）Liquid line and Suction Line with 3/8" thick insulation
5）Universal fit most brand and model, please check carefully for require size for your unit. you will need to use the brass Nuts from your unit for the perfect flare of the tubing
6) Kit include : 25F copper pipe lineset 5/8 and 3/8; Electrical Signal Wiring, and other small accessory;
