Gardenia Porcelain Diffuser A delicate porcelain flower atop a shiny black glazed dish.Porcelain Essential Oil Diffusers can be filled with 100% pure essential oils, or with water and oil to diffuse fragrance the lasts 2 weeks or more. A porcelain botanical rests on a ceramic base to bring a natural beauty to your space as you enjoy the aromatherapy benefits of 100% pure essential oils. Essential oils travel up the wick and into the porcelain top to be diffused. When filled with 15 ml of essential oil, the diffuser will provide fragrance for up to 2 weeks. Can be used with any essential oils or fragrance oils. A convenient, low maintenance way to enjoy aromatherapy in your home on a continual basis with these porcelain essential oil diffusers INCLUDES FREE 15ml bottle of 100% pure, therapeutic grade Peppermint oil.