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

Regularly clean the inside and outside of the housing of the air purifier to prevent dust from collecting. After approximately 30 seconds, the particle sensor selects the color that corresponds to the surrounding air quality of airborne particles, according to table 2. Dust/Pollen - Living with a dust or pollen allergy can turn simple jobs like cleaning into a recipe for sniffs and itchy eyes.

spray, from a high concentration of 398 micrograms per square metre, in just under four and a half minutes. Built on all the tried, tested and much-loved features of the Greenstar i, the Greenstar 4000 is instantly familiar and yet totally transformed in appearance, performance and installer plus points. We have taken steps to try to ensure that the cookies being used fit the descriptions used above and that the ‘Accept’ or ‘No thanks’ selection will honour your wishes but some third party cookies may still get downloaded. Either way, it keeps things simple, with a single control knob, a default Auto setting and five fan speeds on demand. Left on Smart mode, with the front-facing display turned off, all but the lightest sleepers should be able to sleep through.Make sure that the particle sensor is clean and dry (à Chapter 5 “Cleaning and maintenance”, Page 47).

It’s really designed for small spaces of around 10m², but we found its performance better than the 80m³/h CADR might imply. In warnings, signal words at the beginning of a warning are used to indicate the type and seriousness of the ensuing risk if measures for minimizing danger are not taken. An air-quality sensor, which enables the machine to switch itself on when the air quality becomes poorer, can be useful. We’ve seen a few fans with added air purification – most notably the Dyson Purifier Cool – but the AcerPure Cool C2 takes a slightly different tack: essentially attaching a large desktop fan to the body of the Pro P2 purifier to make something akin to a pedestal fan.

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