Description: PVC flexible duct are made of non-flammable, reinforce PVC with strong helix steel wire.

Thickness of inner duct:  0.25mm

Diameter: from 3” (75mm) to 30” (750mm)

Length: 10m / 6m

Temperature range: -30 ºC  -  +100 ºC

Max air velocity: 30m/s

Working pressure: 2500Pa

Fire Resistance: Class B1

Inspiration / Ventilation, central air conditioner ventilating equipment, high

temperature ventilation

Packing: individual carton