Plenum (OFNP) indicates the jacket is coated with flame-retardant, low smoke materials. Commonly used in schools and government facilities. 10 Gig SX Plus Corning Optical Fiber with ceramic SC connectors on one side and LC connetors on the other. Zipcord duplex fiber is 2.0 mil pvc and 300 meter rated glass. The fiber jacket is AQUA. Connectors come with clips.Each jumper is individually bagged with test results inside. Note: These are custom built and may take 1-2 days to ship.