Visit inside the 4.5×4.5 sq Hydrofarm tent that works well, yet lacks additional windows and ports for room placement options. 600 Watt HPS works great for plants 3 foot, however additional lighting couldn’t hurt for taller plants. Sealed with glass and aluminum tape. Offering low energy consumption, this 6″ Max Can Fan kicks ass on low; 3-settings. More is better, can grow into later. Inverted osolating 16″ fan hits the plants at 30″ and above. Have dual lower fans to push air up ward. Thermost