Both of the Internal and External is Corrugated.Very flexible – ideal for working in confined areas.Reduces the number of required fittings and permits the installer/user to make smooth, tight turns. Saves time, labor and cost.
Country of Manufacture: CHINA; Material: PVC
Net Weight: 115g; Package Content: 1 x Corrugated Tubing
Main Color: Black
Diameter: 20 x 25mm/0.79″ x 0.98″(Inner D*OD)