Material: Halogen‑free polyphenylene oxide (PPO) material as verified with IEC 60754‑2 test method (test on gases evolved during combustion of electric cables)
UL recognized continuous use temperature: 203°F (95°C)
UL 94 flammability rating of V‑0
Meets a Hazard Level Classification of HL1 per European Standard EN 45545‑2 for R23 (exterior).
Conforms with NFPA 79‑2015 section 13.3.1 requirement for flame retardant material
Provided with DIN 43 659 mounting holes
Metric sizing and finger progression
Duct and cover packaged together in two meter lengths