The HFBR-4515Z is a blue bulkhead/feed-through plastic Fibre Connector provide a snap-in action when mated to Versatile Link components. The simplex connector is colour-coded to facilitate identification of transmitter and receiver connections. Duplex connector is keyed so that proper orientation is ensured during insertion. If the POF cable/connector will be used at extreme operating temperatures or experience frequent and wide temperature cycling effects, the cable/connector attachment can be strengthened with an RTV adhesive. The connector is made of a flame retardant VALOX UL94V-0 material.