The Harmony 1500 Air Purifier has a built-in filter replacement timer that will go off after 3000 hours of continuous operation.
Press the Filter Reset button for 5 seconds to reset the air purifier once you have replaced the filter.
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The Harmony 1500 Air Purifier has a built-in filter replacement timer that will go off after 3000 hours of continuous operation.
Press the Filter Reset button for 5 seconds to reset the air purifier once you have replaced the filter.