-1/4"&3/8"1/2" O.D. pure copper pipes for superior thermal conductivity
-With better tensile strength it withstands high pressure
-Embossed polyethylene film heat-resistant foam and thickened cotton for 3-layer insulation
-The film provides a robust barrier against environmental factors
-Heat-resistant foam protects against heat loss
-Thickened insulating cotton adds an extra layer of protection
-Achieve M1 flame-retardant and provide excellent thermal and sound insulation
-It complies with ASTM standing strong at temperatures as low as -40 ℉
-Compatible with different split air conditioners (not included)
-Simply unfold cut and solder the pipes for easy connection
-Serve as extension pipes
-2 removable protective caps are included