Wiring Duct, Wall Type Wide Slot, Width 3 1/4 in, Height 4 1/8 in, Slot Width 0.3 in, Material Lead-Free PVC, Color Gray, Mounting Style Screw Mount, Length 72 in, Slot Height 3.6 in, Slot-to-Slot Centerline 1 in, Standards CE Compliant, CSA Certified, NFPA 79-2015 Section 13.3.1, RU Certified, UL Listed, UL 94V-0, Compatible Cover Style Snap-On, Nominal Height 4 in, Nominal Width 3 in