Goliath Grow Tent 10'x10'x6'11"-7'11"Whether you are looking for, grow tents for the beginners and the experts. The tents come with easy progress view windows and doorways that allow a 360 degree view. You can adjust the height of the grow tent by increasing it by 12 using the height extension kit. With the diamond reflection technology of the walls the redistribution of lumens increases by 30%, thus boosting yields. Dense Fabric: The grow tent has been constructed using a 1680D thread