TELECT WaveTrax Cable Management 2-Inch Slotted Duct Kit (027-2000-4203) Provides access in and out of the trough Each kit comes with a 6' slotted trough, a 6' cover, two coupling kits, and brackets for mounting to equipment racks Color: Yellow. Materials: UL 94V-0 plastic Agency compliance: NEBS Level 3, ETSI