Hellermann Tyton 184-15401 Wiring Duct Brand: Hellermann Tyton. Part Number: 184-15401. HellermannTyton Wiring Duct, Type SLHD1.5X4 High Density, Series: Pro-Duct SLHD, 1-1/2 in Width, 6 ft Length, 0.11 in Thickness, Slotted Wall Slot, 3.6 in Slot, Threaded Mount, No Adhesive Backed, PVC, Gray. Additional Description: TYTO-184-15401 HIGH DENSITY SLOTTED WALL WIRING DUCT, 1.5 X 4, NON-ADHESIVE, PVC, GRAY, 120FT/CARTON 184-15401 1-1/2 x 4 NON-ADHESIVE. Catalog Description: HellermannTyton High-Density Slotted Wall Wiring Duct features narrow fingers equaling a 2-to-1 finger ratio compared to standard slotted wiring duct. With the narrow fingers, compact designs and components are more easily accommodated...