Using advanced 5-step filtration, the Winix Signature U450 Air Purifier cleans the air in large areas thoroughly and efficiently. Air cleaning stages include: a washable pre-filter, cleancel anti-bacterial coating, true HEPA filtration, an Advanced Odor Control (AOC) washable carbon filter, and Winix's innovative PlasmaWave technology.
Electronic Controls - The U450 features simple electronic controls with LED indicator lights and an air quality sensor.
Remote Control - Adjust the air purifier's settings with the full-featured remote control.
Filter Replacement Indicator - Know when it's time to replace the filters with the check filter indicator.
Dimming Light Sensors - The LED indicator lights can be dimmed for the overnight hours, so it won't disturb you while you sleep.
Quiet Operation - The U450 operates at 27 decibels of sound on the lowest setting.
Carrying Handle - The built-in carrying handle can move the unit around easily and get clean air anywhere in your home.
Ozone-Safe: PlasmaWave Technology is ozone-safe and complies with California Air Resources Board (CARB) regulations.