If the photocatalytic oxidation (PCO) found in the P600 is something you're unsure of, don't need, or don't necessarily want to pay for, then consider dropping down a couple hundred dollars in price and opt for the AirPura UV600 air purifier. With this UV air purifier, you get all the features of the P600 without the PCO. This mean, not only is the UV600 a sealed system, HEPA air purifier with a thick carbon filter, but there is also a powerful 20 watt UV bulb to neutralize microbes and literally sanitize the air in your home.
In addition to filtration that tackles allergens, smoke, odors, and bacteria & viruses, the UV600 is one of the best built air purifiers available. A steel frame, baked enamel finish, and quality internal components all come together to create a durable, lasting air purifier. Internally, the airflow and design of this machine is such that it's not only one of the quietest brands available but it quiet while have the largest coverage area of any residential air purifier. If a no-nonsense, versatile air purifier suited for microbe, allergen, and smoke/odor control is what you're looking for, you can't go wrong with this top UV air purifier.
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