A 4 fan kit, to clip onto each corner of your grow tent. This configurations creates the best possible air circulation inside the grow space and will decrease chances of mold development, while enhancing a healthy growth. A must for SCROG growers. 
 
Includes
24v power supply
Set of 4 circulation fans
Fan controller - Set each fan speed individually
Set of 4 flexible clip-on arms
15 piece clip-on cable holders.