Wostore 50Ft. Mini Split Line Set Includes Two Pipes 1/4" & 3/8" O.D. 3/8" Thickened PE Insulated Coil Copper Line with Nuts for Air Conditioner HVAC Refrigeration and Heating Equipment

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Thickened Copper Thickness:The wall thickness of 1/4 "and 3/8" copper tubes is 0.65mm, and the wall thickness of 1/2 "copper tubes is 0.7mm. Copper pipe meets ASTM B743 standard. Made of high-quality copper tubing with a fire retardant insulation layer that can withstand high pressure and temperature. It is ideal for AC line set and air conditioning tubing applications Embossed Polyethylene Film: 50ft 1/4 x 3/8 inch twin lineset features an embossed polyethylene film on the insulation layer that provides abrasion resistance and stem rainfall penetration. It also reduces friction and noise during operation External Layer: This product has an external layer that is made of and uviofast material. It protects the copper tube from corrosion, weather, and rodents. It also adds a neat and professional look to your installation Working Temperature：This insulated line set has been successfully tested by method ASTM G154, can operate in a wide range of temperature from -40° F to 248° F. It is suitable for most mini split AC units which use refrigerant such as R410A, R22 Used in Air Conditioning： Designed for mini split air conditioning systems that are used in home，office，shopping malls, restaurants, and other places. It ensures efficient cooling and heating performance