As a distributor of Greenwood Air Management passive ventilators, Wagner (GB) has produced a handy guide to the range. The document gives details of aluminium and PVCu slotvents, over-frame carriers, and glazed-in products such as the aluminium GVC vent and PVCu bar carrier.
Also included are glazed-in louvres, plus the EMM705 humidity control vent and its EHA574 acoustic cousin.
FOCUS ENQUIRY NO. 937