How It WorksThe AllerAir 5000 DS air purifier uses a three-stage filtration process tailored specifically for cigarette smoke. Air first passes through a pre-filter designed to capture large particles and tar emmited from cigars and cigarettes. After the bigger particles are removed the air passes through a twenty-four pound impregnated carbon blend specifically designed to take care of tobacco smoke. The last layer is a micro-HEPA barrier filter that traps 99.97 of carbon dust particles bacteria...
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