Semi-rigid flexible duct 1.Diameter: 076 mm - 356 mm 2.Length: 1.5m / 3m 3.Packing: Bulk packed 4. For kitchen ventilation Semi-Rigid Flexible DuctIt is a bendable flexible ducting in aluminium, without steel wire. The SEMI+ products are being used for the HVAC market as well as for various industrial purposes. Normally for kitchen ventilation. ConstructionAlu 1-layer: Spirally produced ducting ...