25 FT Air Conditioning Copper Hose Hose Extension, 5/8 and 3/8 Inch Thickened Insulation Cotton Fit for Mini Split Air Conditioner with NutsSpecification: Length: 25FTDiameter of brass hose: 5/8 inch and 3/8 inchMaterial: heat preservation cotton and brassFeatures:1. Air conditioning copper hose extension is made of thick copper, corrosion resistance, no leakage, no fracture. Thickened nuts have high hardness and durability.2. The air conditioning copper tubing hose extension is made of thickened thermal insulation cotton, which has the characteristics of heat insulation, shock absorption and not easy to age. Note that the temperature resistance of the insulation layer shall not exceed 80 degrees.3. Assembling this kit is quick and easy. Hose the low and high pressure tubes together without manual welding, requiring 5/8 inch and 3/8 inch setups.Package Includes: 1 x 25 FT 5/8 inch and 3/8 inch air conditioning copper tubing hose extension