The Mueller Streamline ACR 3" Copper Pipe, with a length of 20 feet and capped ends, is specifically designed for refrigeration and air conditioning systems. This pipe meets ACR standards, ensuring it can handle the demands of HVAC applications. Made from high-quality copper, it provides excellent thermal conductivity and resistance to corrosion. The 3" nominal size is ideal for efficient refrigerant flow, making it suitable for both residential and commercial use. The capped design protects the pipe during transport, ensuring it arrives in perfect condition for installation.