This unique adapter panel can house 6 LC Duplex feed-through couplers for 6 Duplex or 12 Simplex fiber optic cables giving you a total of 12 fibers to connect. LC adapter panels have optional Blue or Aqua couplers for 10 Gigabit Multimode 50/125 applications. Each adapter panel has dust caps on each side to provide protection from airborne particles that can damage your connectors.