Dyson AM10 Humidifier This extra hygienic Dyson AM10 Humidifier ($499) uses Ultraviolet Cleanse technology to kill 99.9 percent of bacteria before projecting moisture into the room. It's especially great for those with allergies, sensitivities, or asthma. Image Source: amazon.com Dyson AM10 Humidifier $499 from amazon.com Buy Now