Greenwood Airvac Lrbks Low Rise Baffle Ventilation Grille Cover (sand) for sale online | eBay
Greenwood Airvac AXS100TR Axial Extractor Fan 100 mm / 4 Inch (Timer) on OnBuy
Greenwood Airvac Unity CV2GIP Any Room Extractor Fan
Greenwood Airvac on Twitter: "@Taid50 Hi David, There is a small round cover in the bottom corner just below the word 'airvac'. Remove the small round plastic cover and there should be