Helios M1 / 120 mini fan 6364, Helios small room fan MiniVent M1 / 120. DN 120, two-stage, 170m3 / h maxM1 / 120 F, Minivent DN120 two-stage humidity control. MiniVent M1 / 120 small fan, with 2 power levels (170/150 m³ / h) and humidity control. Follow-up time can be set to approx. 6, 12, 18, 24 minutes, the electronic function can be set to either the high or low power level. With its excellent design, MiniVent M 2000 anywhere - even in rooms with a sophisticated design. The closed, elegant facade completely avoids looking into the dirty fan opening. Equipped as standard with tightly closing return air shut-off flap. Thanks to the new ultraSilence technology, the noise level is 32 dB ( A ) at 150 m³ / h volume flow. Universally applicable for the ventilation of Bathroom , WC and other small rooms.