ICOOL,as a store dedicated to providing affordable and reliable goods, we insist on direct supply from the manufacturer.<br>16 Ft.(1/4" & 1/2") Insulated copper line set for use with Ductless mini- split systems. Line sets compatible with most mini split air conditioners.Pure copper pipe:seamless copper tube showing no leaks, high and low pressure lines.The insulated cotton is thick and solid with fireproofing and flame-retarded function, by which the burning stops immediately upon leaving the flame and only the outer layer of the cotton turns into power.<br>Package include:<br>Insulated line set *1<br>Wall sleeve cylinder*1<br>Decorative wall cap*1<br>Wall filler putty*1<br>Non-adhesive decorative wrapping tape*1<br>Flexible condensate drain hose*1<br>Matching length interconnecting cable*1