Feature:
 1. Made of lead-free rigid PVC
 2.UL recongnized continuous use temperature:50ºC
 3.UL94 Flammability rating of V-0
 4. Duct and cover packaged together in 2 meter or 6'' length.
 5. Provided with DIN 43 659 mounting holes.
 6. Color: Gray Ral7030, Blue Ral5015, white Ral9016, Black Ral9005