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Greenwood Airvac

A surface-mounted window ventilator from Greenwood Window Vents has helped fabricator Drayton Windows achieve BS7412 accreditation for its Corona Casement Window system. Drayton used the slimline D-Vent from the Slotvent range which provides a free area of 4,000m 2. This offers unobtrusive ventilation and includes an internal controllable mechanism and an external weather-protected grille.

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