Only 12 month old, this item was only used during spring 2019. Perfect working and cosmetic condition (apart from tiny dent highlighted in the picture). It has a European plug so you will need an adaptor for use in the UK.
I have lost the user guide, however a digital copy is available on Blueair. The item "Blueair Classic 405 HEPA Silent Air Purifier Wifi Up to 430 sq ft room size" is in sale since Saturday, May 2, 2020. This item is in the category "Home, Furniture & DIY\Heating, Cooling & Air\Indoor Air Quality & Fans\Air Purifiers". The seller is "2050wow" and is located in bromley, Kent. This item can be shipped to United Kingdom, Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech republic, Denmark, Estonia, Finland, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Australia, United States, Bahrain, Canada, Japan, New Zealand, China, Israel, Hong Kong, Norway, Indonesia, Malaysia, Mexico, Singapore, South Korea, Switzerland, Taiwan, Thailand, Bangladesh, Belize, Bolivia, Brunei darussalam, Dominica, Egypt, Guernsey, Gibraltar, Guadeloupe, Grenada, French guiana, Iceland, Jersey, Cambodia, Saint kitts and nevis, Liechtenstein, Macao, Monaco, Martinique, Nicaragua, Pakistan, Paraguay, Turks and caicos islands, Aruba, Saudi arabia, United arab emirates, Chile, Bahamas, Costa rica, Guatemala, Honduras, Jamaica, Kuwait, Panama, Philippines, Qatar, Trinidad and tobago, Uruguay, France.