Horizontal cable management duct organizer is easily configured in field to adapt to demanding applications. All steel construction. Rugged, non-flammable, no fasteners to wear or break, no fussing with fingers. Large 3" x 6" deep organizer is designed to accommodate high density category 6A cabling. Large capacity 3-RMU organizer protects fiber, patch cords and cable bundles when used as pass through. Horizontal cable organizers come in wide variety of sizes, depths and heights to meet application needs. Hinged cover provides an aesthetic finish and easy access to organize patch cords.