Experience cleaner, healthier air with the Bosch Air 4000 Air Purifier, specifically engineered to maintain optimal air quality in rooms up to 62.5 m². Featuring a comprehensive 3-in-1 filtration system, this unit combines a pre-filter, a high-efficiency HEPA layer, and an activated carbon filter to effectively capture viruses, dust, pollen, pet dander, and unpleasant household odours. With an impressive Clean Air Delivery Rate (CADR) of 300 m³/h, the Air 4000 quickly cycles through the air to ensure a fresh environment. The intelligent Auto Mode monitors air quality in real-time, automatically adjusting performance settings to match your room conditions for maximum energy efficiency. For nighttime use, the dedicated Quiet Mode operates at under 25 dB(A) and dims the display lights to prevent sleep disruption. Designed with a sleek, minimalist aesthetic, this Bosch purifier integrates perfectly into modern home interiors while providing intuitive, user-friendly operation. Product Summary: Bosch Air 4000 Air Purifier, 3-in-1 HEPA filtration, 300 m³/h CADR, quiet operation for bedrooms, smart air quality sensors.