50FT Mini Split Air Conditioner Line Set - 3/8 Inch & 5/8 Inch Cooling Connection Tube for Efficient Installation

- **Premium Material Construction**: Crafted from high-quality brass and heat preservation cotton, our air conditioning copper tubing extension ensures exceptional toughness, hardness, and ductility for long-lasting performance. - **Generous Length & Optimal Size**: Measuring 50 feet in length with hose diameters of 3/8 inch and 5/8 inch, this product provides ample supply for all your HVAC installation needs, accommodating various applications effortlessly. - **Innovative Design Features**: Equipped with a robust, non-slip thickened nut and precision reaming, our tubing extension guarantees a secure fit with no burrs or potential leaks, enhancing reliability and efficiency. - **User-Friendly Installation**: Enjoy a hassle-free setup! This copper tubing extension can be easily installed without the need for professional welding, making it perfect for DIY enthusiasts and homeowners alike. - **Enhanced Insulation Performance**: The thickened insulation cotton layer on the exterior significantly boosts the insulation effect, promoting energy efficiency and reducing heat loss, saving you money on energy bills.

• Material: The air conditioning copper tubing extension is made of brass material and insulation cotton, which has good toughness, hardness and ductility
• Size: The length of the air conditioning copper tubing extension is 50 feet, and the hose diameters are 3/8 inch and 5/8 inch, respectively
• Design: Equipped with high hardness and durable non-slip thickening nut, mechanical accuracy reaming, no burr and leakage
• 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