6 - 8 days in our Small Fragrance Fan
3 - 4 days in our Large Fragrance Fan when ran on the "high" setting.
These times are based on the following criteria:
- Fragrance Fan operated 24 hours a day 7 days a week
- 3 wicks used to diffuse the fragrance
- Room Temperature below 75 degrees
- No additional airflow over the Fragrance Fan like an external fan blowing in the room
(Variations from the above criteria will change the length of time the refill lasts)