![F7+F7 filter set may increase the energy consumption of the ventilation unit even up to 30% – CleanFilter F7+F7 filter set may increase the energy consumption of the ventilation unit even up to 30% – CleanFilter](https://cleanfilter.eu/wp-content/uploads/2020/04/HR-F7M5-clean-filters-1.png)
F7+F7 filter set may increase the energy consumption of the ventilation unit even up to 30% – CleanFilter
![vhbw Air Filter F7 Suitable for Helios KWL EC 300 Pro, KWL EC 300 W Fan, Bathroom Fan, Ventilation Device (Pollen Filter) : Amazon.de: Home & Kitchen vhbw Air Filter F7 Suitable for Helios KWL EC 300 Pro, KWL EC 300 W Fan, Bathroom Fan, Ventilation Device (Pollen Filter) : Amazon.de: Home & Kitchen](https://m.media-amazon.com/images/I/81IBsKao9jL._AC_SY355_.jpg)
vhbw Air Filter F7 Suitable for Helios KWL EC 300 Pro, KWL EC 300 W Fan, Bathroom Fan, Ventilation Device (Pollen Filter) : Amazon.de: Home & Kitchen
![Ersatzfilter passend für Helios 270 / 370 ECO / PRO / W - Güteklasse F7 - AS Luftfilter - Für jede Anwendung die optimale Lösung Ersatzfilter passend für Helios 270 / 370 ECO / PRO / W - Güteklasse F7 - AS Luftfilter - Für jede Anwendung die optimale Lösung](https://www.as-luftfilter.de/images/product_images/original_images/_dsc9509_1327_0.jpg)