The Vent-Axia 494143 Response 7 HTP Mains Lo-Carbon Extractor Fan is a square-shaped, electric-powered extractor fan designed for wall or ceiling mounting in any room, including bathrooms. With a diameter of 10 cm and a digital display, this white-coloured fan offers three speeds and features a timer for added convenience. Made of plastic and with an energy efficiency rating of A, this UK-manufactured fan operates quietly at 13.2 dB(A) and is ideal for improving air quality in any space requiring ventilation assistance.