Unfortunately, dust, pet hair, pollen, and a ton of other airborne nonsense wants to get in the way of our good times. A solid air purifier can help, but they can get expensive. Right now, Levoit air purifiers and humidifiers are deeply discounted as part of Amazon’s Prime Big Deal Days sale. Editor’s PicksLEVOIT Core 400S Smart Air Purifier (Black) $199.99 (20% off)This living-room-size purifier uses a true HEPA filter to capture pet dander, pollen, and smoke while staying quiet enough for bedrooms. LEVOIT EverestAir Smart Air Purifier (Extra-Large Rooms) $349.99 (30% off)LEVOIT’s top-of-the-line purifier tackles big spaces with ease.