Pollutants in our outdoor air are washed away one way....WITH WATER from rain. Wash the polluntants from the air you breathe in your home the same way with our EcoGecko Air Washer and Revitalizer. Bacteria, dust, pet dander allergens and bad household smells are literally washed out of your air, the natural way, with water. Simple fill the bowl with tap water, add a few drops of the included aroma oil and turn on the rainstorm, The unit will pull the air from the room in, wash it through the water and aroma oil, and release clean pleasantly scented air back into your room. The shimmering blue LED light emitted into the water and the whirlpool of swirling water will turn any indoor space into a zen like atmosphere.