Outdoor All Dielectric Fiber Optic Cable - OS1, Singlemode, Loose Tube - Suitable for inter-building backbone cabling (aerial, duct or direct burial) - Gel Loose Tube water-blocking technology - Small diameter single tube construction saves space inside ducts - UV-protected jacket for harsh outdoor environment - Low friction jacket for ease of pulling through ducts - All-dielectric construction - Outer Jacket Color is Black for all Fiber Types - Direct termination with epoxy/polish, LightCrimp, LightCrimp PLUS - Fibers color coded according to TIA/EIA-598, for easy identification - RoHS Compliant Lead-free (no heavy metals)