Alen Breathe Smart Customizable Air Purifier with HEPA-Pure FilterPerfect for living rooms, open concept rooms, and other large rooms up to 1100 square feet, the BreatheSmart with HEPA Pure filter quietly and efficiently removes allergens and dust, purifying your air in less than two hours. BreatheSmart is fully customizable, offering four different filter types to accommodate changing air purification needs, and 14 panel color options to match your home dcor. Alen's exclusive SmartSensor feature automatically