Introduction: Specialists are not needed anymore to verify the fact that air pollution has become a major health problem. The BY400 has been proven to be used in a wide range of residential, commercial, and institutional applications, all around the world. Features: •Intelligent LCD with backlights featuring four different colors •LCD displays wind speed/direction, time, negative ions, photo-catalyst + - Power on/off •Sleep mode ?super silence •Energy-saving mode •Super air volume •Professional filtration technology •Remote control / Press-key •Elegant shape, independent laminated filtration •Distinguishing structure Benefits Purification and air exchange Kills bacteria, germs Removes pet dander, hair Removes dust, smoke, odors Removes formaldehyde, benzene, ammonia And much more?Payment=FOB, CNF |