Helios Ventilatoren ALEF HYGRO 6/45 Air intake unit

Humidity-controlled external air inlet element with volume flow control and limitation for installation in window frames. For controlled supply of the outside air in living and sleeping rooms depending on the relative humidity of the room. Consisting of inner facade, mounting plate and outer cover strip, all parts made of high-quality plastic, color white. Sound insulation 37 dB(A).

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