Goliath Grow Tent 4'x8'x6'11"-7'11"The Goliath grow tent supports diamond reflection technology, which helps you achieve the plantations' maximum. The tents height can be extended to 711 with the extension kit's help, which comes along. The grow tent supports diamond reflection technology, which helps with the redistribution of 30% more lumens, so you achieve a healthy yield. Adjustable Tent Height: The height of the grow tent can be increased upto 12 using the extension kit, which