Check the listing for details. 1/4" Copper Tubing 50' ACR Soft Copper NOS USA made by Wolverine Tube. Condition: New, Made in United States. Listed at 35.00 USD. NOS 1/4" copper tubing with a length of 50 feet, made by Wolverine Tube in the United States. This tubing is ideal for use in HVAC and refrigeration systems, providing a reliable and high-quality material for heating and cooling applications. With its original packaging and durable construction, this product offers a dependable solution for various industrial and commercial needs.NOS 1/4" copper tubing with a length of 50 feet, made by Wolverine Tube in the United States. This tubing is ideal for use in HVAC and refrigeration systems, providing a reliable and high-quality material for heating and cooling applications. With its original packaging and durable construction, this product offers a dependable solution for various industrial and commercial needs.