The space-saving design of the 6 pack of Hydrofarm Active Air 6-inch Clip-On Fans is ideal for your greenhouse, kitchen, office, bedroom, nursery, and many other locations. It's great for basically anywhere space is limited and air circulation is desired. The spring-loaded plastic clip won't mar surfaces and the adjustable head directs airflow where you need it with its 360-degree flexibility. The fan features plastic blades and the easily removable safety grill makes it easy to clean it when necessary.This 6-inch fan has a quiet operation, so it won’t bother you or those around you, and it might just save you on energy costs since you can direct air circulation right where you want it instead of cooling a much larger space. This fan also can be mounted on a wall.