This 6F OFC RDSO-approved optical fiber cable on best price is designed for underground telecom and railway signaling applications. Built with single-mode ITU-T G. 652D fibers and protected by corrugated steel tape armor, it ensures high durability in harsh environments. Universal OFC MLT: GLASS YARNS + LSZH (HIGH TEMP) with 6 gel-free tubes of Ø1. The cable is constructed with PE Insulation, 100 % Aluminium Foil – Polyester tape shielded and PVC or LSZH outer jacket. Indoor/Outdoor Low Smoke Zero Halogen, LazrSPEED ® Central Loose Tube Fiber Optic Cable, 6-fiber, Multimode OM4, Gel-filled, black. A tariff of 8% may be applied if shipping to the United States.