These fans are available in sizes of 6, 9 and 12 in with an extract rate of up to 530 l/s. They can operate in temperatures up to 40°C. Replacement versions are available for installations with existing Addvent fans.
BIA/N and BIA/R models have the option of a controller for ease of use and come with a 5-year warranty.
BIAC models are designed for more demanding applications and have a 5-speed controller and a 2-year warranty as standard.
All units have pre-greased bearings and thermal overload protection.
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