Cable Conduit
StarTech.com Cable Management Raceway w/Parallel Slots 78in - Network Cable Hider Kit - Slotted Wire Duct System - Cord Concealer UL - Cable managemen
Amazon
StarTech.com Open Slot Cable Management Raceway with Cover, 2"(50mm) W x 1"(25mm) H - 6.5ft(2m) Length - 1/4"(8mm) Slots, PVC Network Cable Hider/Wall Wire Duct, Max 25 Cables, UL Listed (CBMWD5025)