Helios Fans ALEFS 30
Helios
Prices & Options
The Helios Fans ALEFS 30 is an air intake unit designed for installation in window frames, providing controlled outside air supply through differential pressure regulation. It features an integrated airflow controller and limiter to maintain consistent ventilation rates, combined with additional sound attenuation to reduce noise transmission.
The unit includes an indoor facia, mounting plate, fly screen, and external cover strip, all manufactured from high-quality white polymer. This design ensures durability, effective passive ventilation, and improved acoustic comfort, making it suitable for use in residential or commercial settings where both airflow control and noise reduction are important.
| Code & Description | Price | |
|---|---|---|
| ALEFS30 : Helios Fans ALEFS 30 | £51.00 + VAT £61.20 | |
We accept : 
15% discount with code ‘welcnfan1’
Note: Code can only be used once per customer. Discount codes are entered after selecting shipping method.
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