Choose from both wall-mount fan and clip-on fan models perfectly designed for use in grow rooms and grow tents. A proper circulation fan is a vital component of the indoor garden, and wall mounted fan and clip fan styles are easy to use and keep floor space free for plants. Good …airflow supports healthy plant growth and development and helps to dissipate heat from grow lights. Circulation fans also assist in preventing diseases such as mildew in the grow room and are often used with CO2 enrichment systems to properly distribute supplemental CO2. Larger oscillating wall mount fan or rotating fan models are the best circulation fan choice for large grow tents and full rooms while clip on fans are a small fan type that will provide proper air ciculation for a small grow tent small grow box or smaller plants.