DESCRIPTIONOna essential oil diffuser releases aromatic molecules using a heat-free method to conserve all the properties of the essential oils. It can be placed anywhere, in a house, office or spa, quickly disinfecting the atmosphere in a up to 1,000 sq. ft. surface area. Use essential oils to create your desired ambiance, mixing or changing them to suit your own whim or the theme of an evening. Ona diffuser uses a silent air pump in a wooden base, and a glass chamber to contain the essential oils. The diffuser also features a regulator.SPECIFICATIONSManual intensity adjustmentDiffusion coverage up to 1 000 sq.ftRecommended for therapeutic use.Recommended use: 20 minutesDimensions : diameter 4 x height 8 inche