The air cleaner using advanced ionic breeze technology circulating ozone (O3) rich air to neutralize offensive odors and kill bacteria. The metal dust collector produces static electricity to absorb microscopic contaminants and allergens in the air such as dust, pollen, fiber and fungal spores. There is no need to replace filter material. Simply pull out the dust collector and cleans it with a damp cloth. The cordless ionic air cleaner fit closely to the wall without occupying unnecessary space.