The nebulizer diffuses the essential oil's aroma on a refreshing current of air as it passes through the intricately engineered glass chamber. Nebulization ionizes and naturally suspends very fine oil molecules in the air, making the essential oil more bioavailable. Because the oil particles are so fine, they do not condense but remain suspended in the air for a longer period, thus economizing on essential oils. One size, fits all of Amrita's nebulizing diffusers.