This 30mm duct end cover is provided with a cylindrical outlet to which can be fitted a flexible, convoluted tube 32mm ID/38mm OD (Part No: TC1279-68). The flexible, convoluted tube allows optical fibre cords to be dropped off from 30mm duct to lower rack mounted transmission equipment. The end cover is also used for sealing the open end of a standard 30mm straight duct. It snaps simply into the duct slots and can be removed with a screwdriver should the system need extending.