The NNC50X75LG2 Halogen-Free Wide Slot Wiring Duct is used to route, protect, and manage wires near sensitive electronic equipment and in environments where heat resistance or public safety is a concern. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 95°C (203°F). Halogen-Free, Polyphenylene Oxide (PPO). Mounting holes provided. 2.85" x 1.95" (72.4mm x 49.5mm) and 6.6' (2 m) long. Cover included. Color Light Gray. 5 pieces per package.