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, 1-1/2"(38mm)W x 1"(25mm)H - 6.5ft(2m) length - 1/4"(8mm) Slots, PVC Network Cable Hider/Wall Wire Duct, Max 20 Cables, UL Listed (CBMWD3825)