25FT Air Conditioning Tubing Hose Extension 1/4 and 3/8 Inch Insulated Copper Hoses Fit for Mini Split Air Conditioner

Heat preservation cotton and red copper | Product data: Length: 25ft, diameter of red copper hose: 1/4 inch and 3/8 inch, other accessories are as shown in the figure. | Durable material: The air conditioning copper tubing hose extension is made of copper, which has good toughness, hardness, ductility, not easy to rust, extended service life, and brings more comfortable experience for your air conditioning. | Thickened insulating cotton: The air conditioning copper tubing hose extension is made of thickened insulating cotton, which is effective in heat insulation and not easy to frost to better rescure the internal copper hose. | Excellent workmanship: Thickened nut has high hardness, no slipping, and is sturdy and durable. Mechanical accurate reaming, no burr, no leakage, more secure to use. | Easy installation: The finished product can be installed directly, without welding after hand, and needs 1/4 inch and 3/8 inch settings. Air-conditioned to connect the bedroom, restaurants or office, this insulated copper hose is a good choice.