The Corning Closet Connector Housing, CCHCP12A9 (Millennium part 520095), holds six LC duplex, singlemode OS2 UPC adapters for a 12-fiber termination point in enterprise or data center inside plant. The composite housing with ceramic insert and blue color coding keeps singlemode connections organized and easy to identify on a crowded rack. RoHS-compliant construction fits standard data center procurement requirements. Order it with matching high-density panels and splice trays to build out a complete fiber termination rack.