English: Front fascia of an Xpelair GX12 extractor fan. This extractor fan is used in conjunction with a passive intake air grille with dampers to provide sufficient ventilation for a space in accordance with ASHRAE 62.1.
Front fascia of an Xpelair GX12 extractor fan. This extractor fan is used in conjunction with a passive intake air grille with dampers to provide sufficient ventilation for a space in accordance with ASHRAE 62.1.