47"x 47"x 78" New Hydroponics Plant Grow Tent Green Dark Room Indoor Garden Multiple Vents for Fan and Filter Output ,Easy, Tool-Free Assembly; Set Up in Minutes Effective Air Circulation,Easy Light & Temperature Control Non-toxic to Environment,Suitable for both Soil Based and Hydroponics Cultivation Ventilation Windows , Sewn in Durable Zippers and Velcro Zipped Side and Round Windows are Better for Ventilation