1Pcs 50FT Air Conditioning Cooling Connection Tube 1/4 Inch and 1/2 Inch Mini Split Line Set Fit for Mini Split Air Conditioner

Heat Preservation Cotton and Brass | Design: Equipped with high hardness and durable non-slip thickening nut, mechanical accuracy reaming, no burr and leakage | Size: The length of the air conditioning copper tubing extension is 50 feet, and the hose diameters are 1/4 inch and 1/2 inch, respectively | Material: The air conditioning copper tubing extension is made of brass material and insulation cotton, which has good toughness, hardness and ductility | Installation: The air conditioning copper tubing extension installation is simple, can be installed directly, do not need professional welding | Advantage: The outer part of the air conditioning copper tubing extension is made of thickened insulation cotton, which improves the insulation effect