WINIX A231 Air Purifier for Bedroom Up to 1,180 Ft² in 1 Hr With Air Quality Monitor, True HEPA, Carbon Filter and Auto Mode, Captures Pet Allergies, Smoke, Dust

AHAM Verifide at 246 sq ft.: Also cleans rooms up to 1,180 sq ft in 1 hour (590 sq ft in 30 minutes, 393 sq ft in 20 minutes, 295 sq ft in 15 minutes) : Winix True HEPA captures 99.99%* of airborne allergens including pollen, dust, smoke, pet dander, and other ultrafine particles as small as 0.01 microns -: The first line of defense against the largest airborne particles found indoors : Reduces VOCs and household odors from cooking, pets, and smoke. It is designed to catch airborne particles found indoors, which also helps prolong the True HEPA Filter life + : Built-in air quality sensor measures and adjusts fan speed in real-time -: Nearly silent on slowest speed : Unit automatically activates its quiet, energy-efficient Sleep Mode when room is darkened and returns to Auto Mode in the presence of light : When the filters need to be replaced, the Filter Replacement Indicator LED will illuminate