Philips Air Purifier Series 4000i/3000i

  • Speedy and efficient purification powered by new 3D air circulation system with helical air outlet. Smart sensing technology senses in real time and automatically removes all 3 major threats of indoor air: particles, harmful gases and indoor allergens.

    • Removes 99.9% particles @3nm
    • Knowing real-time air quality in one glance: showing numerical pm2.5 feedback, gases and allergen level on screen that gives you peace 
    • The ambient light ring on top of the product provides an additional visual cue ranging from blue (good) to red (poor) to present the indoor air quality
    • Smart sensing technology senses in real time and automatically removes all 3 major threats of indoor air: particles, harmful gases and indoor allergens. Powered by professional grade sensor, it automatically scans pollutants in the air 60,000 times per minute, detects and reacts to any pollution event in real time.
    • Smart auto ambient light control, adjust light automatically according to room environment, take care of you and your family in the most gentle way.
    • Using the Air Matters app you can control your air purifier anywhere, anytime. Check the air quality in the app to get reassurance wherever you are, and to compare your indoor air quality with the outdoor air quality.
    • In sleep mode, display lights are dimmed and the purifier operates in near silence (as low as 34db) for clean air while you sleep certificated by Quiet Mark.

Sound Made Simple

Acoustics Academy’s Sound Made Simple guide clarifies complex acoustic terminology with insights to design with sound.