Helios KWL EC 300 PRO L / R - G4 replacement filter (2 pcs.)
vhbw 2x Air Filter G4 Suitable for Helios KWL EC 370 W Fan Bathroom Fan Ventilation Device 1x Exhaust Filter 1x Supply Air Filter : Amazon.de: Home & Kitchen
Helios L?ftungsfilter | KWL-Filter.de
Helios KWL EC 300 PRO L / R - G4 replacement filter (2 pcs.)
Helios KWL EC 450 PRO L / R - F7 Pollen filter
Helios LFBR 250 / 315 filter | ISO ePM2,5 70% | Discount up to 20%! - KWL -FilterOnline
Helios KWL EC 500 ECO L / R - F7 activated carbon filter
Helios KWL EC 270/370 ECO/PRO/W filter set – CleanFilter