Clean and inviting… a powdery fresh blend of tangy lemon citrus and sweet lavender flowers Diffuser oil refill recommended for use with the Yankee Candle Ultrasonic Aroma Diffuser Infused with essential oils Just 5 to 7 drops of Yankee Candle Aroma Diffuser Oil provides up to 8 hours of intermittent fragranced mist, or 4 hours of continuous mist Includes: 1 x Clean Cotton Aroma Diffuser Oil (10ml)