Hellermann Tyton 181-93011 Wiring Duct Cover Brand: Hellermann Tyton. Part Number: 181-93011. HellermannTyton Pro-Duct Wiring Duct Cover, Type TC3, 6 ft Length, 3 in Width, 0.06 in Thickness, Snap-In/Snap-Out Mounting, For Use With: 3 in Wiring Duct, PVC, White. Additional Description: TYTO-181-93011 WIRING DUCT COVER FOR 3 DUCT, 6 FT LONG, PVC, WHITE, 120 FT/CARTON 181-93011 BULK PKG TC3W4. Catalog Description: HellermannTyton’s Pro-Duct wiring duct covers are sold separately and interchangeable among the 3 styles of duct (solid, slotted and high density). Manufactured from high impact, rigid PVC, Pro-Duct covers come in standard colors of white, gray and black. Wiring duct covers are available in 6 foot lengths...