Single Wall Spiral Flat Oval Duct is recommended for industrial air movement application. It is ideal for air ventilation, mobile chillers and light dust movement. It is made from qualitative material that has been covered with a steel spring wire for added strength and flexibility. It is light in weight , compressible and cost effective. In addition, the retractable nature of Single Wall Spiral Flat Oval Duct also allows for easy transportation and easy storage in migratory applications.