Gorilla Grow Tent Shortly Line tents come in at 4' 11" to make them great for those rooms with short ceilings. Use these Gorilla Grow Tent Shorty's for smaller plants, propagation, vegetative growth, and mothers. Comes with extension kit to raise it up to 5' 8". Dimensions of tent come at 60 x 60 x 59 inches. The steel Frames and corners of this tent can also support over 300 pounds!