Clarke has a long history of producing user friendly extractors and the Clarke EX40 18LX, 18" 12 Gallon Extractor (56265505) is no exception. This self contained extractor is CRI certified and proven to effectively remove soil from carpets, improving air quality and extending the lifetime of the carpet. Like many Clarke products, the EX40 is compact, versatile, and simple to operate. With One-Touch control, operation is as easy as switching it on and selecting the desired cleaning mode.