- The 25 Ft. line set is insulated high quality copper tubing. Seamless pure copper pipe shows no leaks, which is divided into 1/4″ low and 1/2″ high pressure lines.
- Made in USA. The insulated copper twin line set has been successfully tested by Method ASTM G154.
- With embossed polyethyene film, climate resistant foam, and 3/8 inch thickened insulated cotton, this three-layer insulated mini split copper line set is corrosion-resistant, fireproofing, flame-retarded, thermal insulation, waterproof, shockproof, sound absorption and durable.
- No cracking at low temperature of -40 ° F, no deformation at high temperature of 248 ° F, ultra wide working temperature range, and can cooperate with all kinds of refrigerant operation.
- Pre-flared ends with nuts are for simple and easy installation. Copper coil line set fits most ductless mini split air conditioners and heat pump systems.
