The GrowTent SKINNY GROW design incorporates a 6" ventilation hole for your exhaust fan as well as outlets for your cabling needs. There are integrated openings for irrigation tubes and 2 ducting socks for use with inline air-cooled lighting systems. There are 2 ventilation flaps situated around the base of the GrowTent to assist with good even airflow. The GrowTent is also equipped with 3 handy pockets for storing all your accessories. *Easy side access via a zip off panel with light proof over-flap. *6" drawstring ventilation apertures, give the ultimate in flexibility. *Featuring 360' venting for uniform distribution of airflow. *Fits the modular GrowTent dry rack.