List Price: $17.95 Deal Price: $11.25 You Save: $0.01 (37%)Air can become stale on road trips. The Wagan Ionic Air Purifier plugs in to the cigarette lighter of your vehicle to instantly begin purifying and freshening the air. Helps to relieve allergies, hay fever and asthma, and eliminate bacteria, pollen and dust. This purifier uses no chemicals and needs no refills.Expires Jan 16, 2011