Airmaster has a comprehensive selection of Domestic Extractor Fans. The popular 4" and 6" Wall fans both come in three variants - standard, with pullcord, or complete with timer. A 4" 12v version, fitted with a timer is also available. 6" Kitchen Window fans come simply with a pullcord or also with a timer. For Shower cubicles, there are 4" and 6" fan kits supplied as standard or complete with timers, whilst a 4" Centrifugal fan completes the range.