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This is an air purifier with an ionizer and permanent air filter to purify the air in small rooms.

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How do I know when the air filter needs to be changed

How do I know when to clean my air filter?

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The easiest way to know when to clean your filter, if the LED filter-reminder light turns on. The release of particulates into the air from the device, or a funny smell being emitted can also be indicative of a filter in need of cleaning.

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Nicholas Allen Smith 将永远感激不已
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