If you’re sensitive to what’s in your air, the Philips 5000i Series Extra-Large Air Purifier is here to help. This large room air purifier effectively removes up to 99.97% of allergens. What’s more, the 5000i Series purifier actually removes particles as small as 0.3 microns. The dual HEPA filters clean your air of allergens, gases, bacteria, viruses, and particles. And it does all this while the sensors monitor the quality of the air you breathe. So this gadget knows when..