Customized Semi-rigid Aluminum Duct Flexible Air Duct for Kitchen Hood

Material：Pure Aluminum

Inner Diameter：Can be customized from 3inch to 24inch

Length：1.5 M OR CUSTOMIZED

Corrugated Lines：4,7,9 corrugated lines or full corrugated lines

Extension Rate：1:3.33 (7 corrugated lines), 1:3.75 (4 corrugated lines)

Temperature Range：-30ºC - 140 ºC

MaximWorking Pressure：10000pa (max)

Air Velocity：30m/s （max)

Application：Suitable for various ventilation systems in kitchen and bathroom, such as range hoods and water heaters。

Features：Can be installed directly on the circular interface. In case of high temperature or fire, no toxic gas will be produced.

                  High Temperature Resistance, Fireproof