AIR FRESHENER: The unit will pull the air from the room into the base of swirling water. The water acts as a filter, trapping particles and releasing fresh moist air into your room. AROMATIC OIL DIFFUSER: Add a few drops of the included Lavender oil to neutralize unpleasant odors, reenergize stagant stale air and add a fresh scent to any room. The intensity of the scent will depend on how much oil you add to the water. SERENITY: The whirlpool of swirling water and shimmering blue light will turn any indoor space into a zen-like atmosphere, Noise Level Less than 45 db creates white noise for a soothing peaceful environment. EASY TO CLEAN: Simply dump the water out and fresh water and oils daily. We recommend EcoGecko oils as they are specially formulated for our units. SMALLER SIZE: Diameter: 4.25 inches, Height: 5 inches, perfect for offices, bathrooms and other small spaces.