The Ona Odor Stop is an excellent dispenser fan for medium-duty application. It has a high volume of airflow combined with a profile that can be conveniently placed anywhere. The Odor Stop features a variable speed fan to distribute Ona Gel up to a maximum airflow of 225 cu ft per min. It provides distribution for a room up to 10,000 sq ft. It is designed for the 1 gallon Ona Gel container, which will last for 4?6 weeks."