A duct fan that can be used with or without a carbon filter. TT160 has two speeds, one with a capacity of 467m3/h and another speed with a capcity of 552m3/h
Intake and exhaust 160mm
Effect: 467m3 noise level 33dBA
Effect: 552m3 noise level 44dBA
To change the speed of the fan, just change the cord's position between L1 and L2.
The cord attached to the N should always be there and never connect L1 at the same time as L2!