Indoor/Outdoor Low Smoke Zero Halogen (LSZH) Loose tube Cables are perfectly suited for rugged applications and installations requiring increased performance. LSZH-rated I/O Loose Multi-tube cables are available from 48-144 count with variable sub-cable dimensions to support specific termination and routing requirements. The offered cables are fully compliant with the relevant IEC specifications. The multi loose tube cable construction consists of up to 144, 250µm optical fibers in 12 fiber gel filled loose tubes with fillers where appropriate, SZ stranded around a fiber reinforced plastic (FRP) central strength member with water swellable threads and water swellable tape. Helically applied water blocking e-glass non-metallic strength members with ripcord and black Low Smoke Zero Halogen (LSZH) jacket.