Dan Essential Oil Diffuser Glassware Replacement glassware for the DAN essential oil nebulizer diffuser. Hood sold separately. The + Product: - Quality glassware. - Homemade. Zen'Arôme, it is an expertise in Aromatherapy and essential oil diffusers since 2007. A pioneer in this sector, we develop our models according to three main axes: efficiency, reliability and aesthetics by creating our original models essentially developed with quality materials such as glass, metal, ceramics or wood while offering very competitive prices. We also attach great importance to availability and responsiveness to our customers.