Electric aromatherapy diffusers; Electric aromatherapy oil diffusers; Electric essential oil diffusers; Electric fragrance diffusers incorporating night lights; Non-electric aromatherapy diffusers for use in showers; Plug-in diffusers for air fragrances; Plug-in diffusers for aromatic oils; Ultrasonic aromatherapy diffusers; Ultrasonic essential oil diffusers; Vaporizers being electric aromatic oil diffusers