The Shark Air Purifier 4 quietly distributes air through 4 powerful fans. Clean Sense IQ technology tracks air quality & auto-adjusts power to constantly maintain clean air in your home. Our Anti-Allergen HEPA filter is designed to tackle a wide array of air contaminants with precision. From smog, toxins, and VOCs to wildfire smoke and more, experience comprehensive purification for healthier indoor air quality. Advanced odor protection guards against cooking smells, smoke, and more. The Shark Purifier is over half off and now $169.99! That’s the lowest price ever!  XO, Donna