Gorilla Grow Tent 4′ x 8′Gorilla Grow Tent 4x8 Specifications Dimensions 4x8x611 Height w Extension Kit 711 Height w 2 ft. Extension Kit 811 Weight 88 lbs. Canvas Density 1680D Pole Diameter 22mm Door Quantity 3 Ducting Port Quantity 8 (11 Double Cinching) Electrical Port Quantity 4 (3) Included Components Gorilla Tent Canvas Gorilla Frame Flood Pool Block IR Roofing Tool Pouch Heavy Duty Canvas Carrying Case 1 Height Extension Kit. Need more height? Get a 2 Height Extension