The modular fine dust filter
The filter unit is made of modular parts so that it can also be easily installed in renovation houses. Depending on the ventilation capacity, several units can be placed next to each other. By measuring the negative pressure behind the unit, one can determine whether the filter is contaminated. The filter can also be cleaned using the clock setting notification.
Cleaning filter unit
By having the fans rotate in reverse (possibly in a dark period), and at the same time letting the brush system move over the filter, the dust from the filter falls into the litter layer.