Air Conditioning Refrigeration Connection Tube 1/4 and 3/8 Inch x 50 Foot for Mini Split Air with Accessories, Air Conditioning Tubing Extension

Copper | Length: 50 foot, hose diameter: 1/4 in and 3/8 in | Air-conditioning refrigeration connecting tube is suitable for small air-conditioners, easy to install, can be installed directly | The outer layer of the connecting pipe is made of thickened thermal insulation cotton, which can effectively insulate against freezing | Air conditioning refrigeration connecting tube is made of heavy duty material with high hardness and long service life | Air conditioning connection pipe can effectively reduce indoor air pollution, thereby improving indoor air quality