ICOOL 50 Ft. Mini Split Line Set, 1/4" & 3/8" O.D. Twin Copper Pipes, 3/8" Thickened PE Insulated Coil Copper Line with Nuts for Air Conditioner HVAC Refrigeration and Heating, without Fittings

• The 50 Ft. line set is insulated high quality copper tubing, which has been successfully tested by Method ASTM B743. The wall thickness of 1/4 "and 3/8" copper pipes are 0.65mm. Seamless pure copper pipe shows no leaks

• With embossed polyethyene film, climate resistant foam, and 3/8 inch thickened insulated cotton, this three-layer insulated mini split copper line set is M1 level flame retardant, incorrodible, fireproofing, thermal insulation, shockproof, sound absorption and durable

• Our mini split line set won't crack at low temperature of -40 ℉, and has no deformation at high temperature of 248℉, 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

• Note: Because brands use different sizes, Please Check the AC brand's installation manual to get the right size

ICOOL, as a store dedicated to providing affordable and reliable goods, we insist on direct supply from the manufacturer. 50 Ft.(1/4" & 3/8") 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.