HellermannTyton 184-44000 High Density Slotted Wall Wiring Duct, 4" X 4", Non-Adhesive, PVC, Gray, 30ft/Box Length: 6" Width: 4" Height: 4.07" Color: Gray Qty/Carton: 30ft Material: Polyvinylchloride (PVC) Material Shortcut: PVC Flammability: Self-Extinguishing Halogen free: No Operating Temperature (Metric): +122°F (+50°C) Reach Complaint(Article 33): No ROHS Complaint: Yes Certification/Specification WEB: CSA EN 50085-1:2005 + A1:2013 UL EN 50085-2-3_1A UL Recognized (US): Yes Features & Benefits •Narrow fingers reduce fanning of the wires to the terminal blocks, presenting a neater appearance. •Each finger is provided with a double restriction to hold wires in the bottom portion of the duct, allowing for easier installation. •Mounting holes are uniform in size and are offered every 2 inches to accommodate compact designs and ease installation. •Optional covers snap on and off easily, and are provided with a non-slip lining that insures the covers remain in place during vibration.