Systemair RAW Roof Cowl 630/710 Size_150mm They are available as Single

They are available as Single or Twin (with a stand-by fan) Box Fans which are energy efficient with low sound levels and speed controllable to meet the desired ventilation needs

Adjustable pitch aerofoil section impellers with blades made from high quality carbon filled anti-static material for enhanced performance

and the elements

QF Cut-In 30° – Nordfab®

Systemair RAW Roof Cowl 630/710 Size_150mm They are available as SingleSystemair RAW 630 710 Horizontal Discharge Roof Cowl High Capacity GRP Roof Vent Terminal The Systemair RAW 630 710 Horizontal Discharge Roof Cowl is a large format commercial roof ventilation terminal manufactured from UV stabilised glass reinforced polyester (GRP), delivering outstanding rigidity, corrosion resistance, and long term weather protection for exposed rooftop environments. Engineered for high airflow industrial ventilation systems, this