Slotted Hinged Duct, Polyvinyl Chloride, 1.5 Inches x 2 Inches x 6 Feet, White, Base and covers sold separately, Made of lead-free PVC, Rated for continuous use temperature: 122 Degrees F (50 Degrees C), UL94 Flammability Rating V-0, Conforms with NFPA 79-2007 section 13.3.1 requirement for flame retardant material, Available in Black, Light Gray and White, Provided with standard mounting holes, Height dimension includes duct with cover.