Our Wiring Ducts are made by Hi-tech machine, the hardness, color, the recovery after bending are better than other companies. Features:1. Material: high density PVC, good insulation and heat-resisting up to 85 centidegree 2. Struction: made up of duct bottom and lid with two outholes designed at the bottom 3. Color: White, Grey 4. both slotted and sealed type are available 5. with cover ...