Meet the PuroAir 400 a top-tier air purifier built for larger spaces up to 2 145 sq ft. It removes up to 99.99% of pollutants using an advanced three-layer filtration system. Ideal for dust pollen smoke odors and more the PuroAir 400 ensures cleaner fresher air. With auto mode and four manual fan settings this purifier adapts to your air quality needs while whisper-quiet sleep mode runs at just 22 decibels for a peaceful night s rest. It?s easy to use featuring touch controls a filter replacement indicator and a child lock for added safety. Certified for energy efficiency and air quality standards the PuroAir 400 offers proven performance. Each purchase includes a two-year warranty ensuring dependable long-lasting air purification. Breathe better with PuroAir?air you can trust.