Dayette AP401 air purifier features with Turbo-air Technology and 360°air inlet,continuous powerful purification for large rooms Up to 3000 Sq Ft, Providing you with a new and comfortable air throughout the day,no matter where you are in bedroom, living room, kitchen, office or basement This powerful HEPA air purifier, now upgraded to H14, uses a 4-stage filtration process and is designed for spacious rooms. It combines a pre-filter with an advanced H14 true HEPA filter that captures up to 99.997% of particles as small as 0.1 microns, effectively addressing various airborne impurities. Coupled with a high-efficiency activated carbon filter, it expertly neutralizes odors from cooking, fumes, and VOCs, ensuring your living space stays fresh and vibrant % , Our home air purifier has successfully met the rigorous testing and certification standards of ENERGY STAR, ensuring its exceptional energy efficiency.