Description: Semi rigid flexible duct are bendable flexible ducting in aluminum.

Thickness of inner duct:  0.09mm

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

Length: 6m / 3m / 1.5m

Temperature range: -30 ºC  -  +250 ºC

Max air velocity: 25m/s

Working pressure: 2000Pa

Fire Resistance: Class B1

Low / Medium / High pressure air ventilation and air condition system

Packing: individual carton