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.