This is a page for refills. It is not the diffuser itself. ANDC Aroma Diffuser Exclusive Refill < elegant and healing scent that blends in with any space> Musk has a calm depth and a sense of cleanliness, and an elegant scent of sabon Capacity: 50ml ●How to refill (1) Hold the refill bottle firmly and turn the cap. Be careful not to let the cap mouth and liquid pop out when opening it. (2) Place the refill spout against the mouth of the main bottle, fix it with both hands, and pour it in. ●After use, be sure to close the cap of the refillable bottle tightly, avoid high temperature, humidity, and direct sunlight, and store it upright. ●It depends on the environment of the room, but the fragrance lasts for about 2.5 months in spring and summer, and about 3 months in autumn and winter.