The C4WH6-F PVC Duct Cover with Protective Film features a temporary protection film that protects duct covers from damage during the installation process. The cover features a non-slip, liner to prevent cover slide. The general-purpose lead-free PVC material is suitable for use in indoor applications. UL 94 flame class of V-0 with a UL recognized continuous-use temperature up to 122°F (50°C). 0.37" x 4.25" (9.4 mm x 108 mm) and 6' (1.83 m) long. Color White. 6 per package.