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What does the ionizer do?

Air Ionizers send molecular particles into the room which clean the air. The ions attach to oxygen in the air and create a negative charge. Once it becomes a negative ion it attaches itself to dust, smoke, odour and pollen and creates a cluster. This cluster is then pulled back by the ionizer and captured within the filter. All De'Longhi air purifiers include an ionizer and a washable pre filter.