The SMC 10-TCU0425B-1 is a high-quality polyurethane coil tubing designed for pneumatic applications, offering exceptional flexibility and compact piping solutions. This TCU series tubing is ideal for clean room environments, with a 4 mm outer diameter and 2.5 mm inner diameter, making it perfect for air fluid compatibility. Its black, opaque color and RoHS compliance ensure it meets industry standards for safety and performance.