Bosch Air 4000, Air Purifier Removes 99.9% of all Pollutants through HEPA13 Air Filter, with Smart Sensor, Auto Mode & Sleep Mode (25 dB (A)), Air Quality Feedback, CADR 300m³/h, up to 62.5 m²

Product Information

Filter replacement indicators aren’t crucial and not all air purifiers have them, but this is a helpful feature as a clogged air cleaner won’t work properly. You can set it to turn on and off at specific times, set the mode and power settings, even set whether the display should turn on or stay off.

This information is reported continuously in both the digital display and the light ring, providing real-time PM2. It’s just as good as an air purifier too, though its CADR rating is slightly below that of the purifier-only Pro P2. Bosch are offering one lucky reader the chance to win a brand-new Bosch Air 4000 purifier, along with a replacement filter so you can keep your house air pollutant free for longer. Where packaging is concerned, we participate in country-specific recycling processes that ensure optimum recycling.We’d take the claimed 80m² maximum room size with a pinch of salt, but it cleared our test room of PM2. sentence 1 (b) GDPR / UK GDPR), to fulfil our duty of product surveillance and for product safety and security reasons (art. Do not insert your fingers or objects in the air outlet or the air inlet, to prevent physical injury or malfunctioning of the appliance. In Auto mode, if the appliance is too loud, it may be operating at high speed, because poor air quality has been detected.

The length of time this lasts varies, but on average expect it to need replacing every six months (or fewer if you use the machine less). The best air purifiers can help to ease the symptoms of asthma, hay fever and other allergies by cleaning the air in your home, removing pollutants and irritants such as pollen, dust, pet dander and smoke. In fact, we only have one quibble: with no carrying handles and its slightly slippery matt white plastic casing, it’s a tricky beast to move from room to room.Spending more will get you something quieter with more power, but this is a decent little purifier for a small lounge, home office or bedroom if you’re working on a similarly sized budget. Good Housekeeping participates in various affiliate marketing programs, which means we may get paid commissions on editorially chosen products purchased through our links to retailer sites. Most air purifiers have a choice of speeds so you can keep it lower for sleeping and turn it up when the pollen count is high. Always turn off the air purifier and unplug it from the electrical outlet before replacing the filter.