Slotted Duct, 75 mm x 75 mm x 2 Meters, White, Made of halogen free modified polyphenylene oxide (mPPO) material and verified with IEC 60754-2 test method (test on gases evolved during combustion of electric cabling), UL Recognized continuous use temperature:221 degrees Fahrenheit (105 degrees Celsius), UL94 Flammability Rating of V-0, Provided with DIN 43 659 mounting holes, Metric sizing and finger progression, Duct and cover packaged together in 2 meter lengths, Conforms with NFPA 79-2002 section 14.3.1 requirement for flame retardant material.