Un-armored Multi-tube cable with a Single Jacket is suitable for duct applications. This cable is a stranded Loose tube cable with Optic fibers are placed inside the robust buffer tube. Stranded around the fiber-reinforced plastic (FRP) central strength member. Loose tubes contain water blocking jelly and cable core surrounded with water blocking tape to prevent water ingress in the interstices of the cable core. The cable core is surrounded by HDPE/LSZH jacket.

These cables are typically used for Outside plant applications, including duct and lashed aerial in harsh environments. They can be installed in Ducts with either pulling, trenching or blowing technics.