For best airflow, it is recommended to keep the duct tight, as short as possible, avoid sharp turns and keep the duct as round in shape (do not squash it) as much as possible.
Choose the duct size to suit the exhaust fan and for best airflow, use same size or bigger duct than required by the fan.
Semi Rigid Duct Specifications
- Temperature rate -70 degress – +220 degree Celcius
- Manufactured material thickness 0.89mm
- Complies with Australian Standards -AS1668.1
- 4- zero fire rate to Australian Standards -1530.3