HDH 355 – Roof ventilation cowl – Helios
£667.55 ex. VAT
HDH 355 – Roof ventilation cowl – Helios
Horizontal roof ventilation hood For covering convection vents and supply air openings in the roof. Same design as horizontal outlet roof fans RD. With regard to mechanical ventilation, the resulting flow losses must be taken into account (see diagrams).
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Brand
Helios