2 x 3 Solid Wall Panel Channel- Cover Included Made from high-impact, self-extinguishing, warp-proof PVC for routing wires where wire extraction is not necessary.. Supplied complete with mounting holes and non-slip snap-on and off covers. Optional adhesive backing is available. Maximum service temperature: 85 degrees C (185 degrees F), Tested to UL File up to 50 degrees C (122 degrees F). 94V-0 Rated,