What’s the best size tent to run 4 plants in 5 gallon pots?

Medium Rectangular Base (48x48x78 grow tent) This grow tent is basically 4x4ft in length and 6.5ft tall. For this size grow tent, we recommend fitting 4 full-size plants giving you room to work around. You can also fit 6, but that will be a snug fit. You can also fit 16 small sized plants that will grow no larger than 2 feet tall. This grow tent includes the following:
This is one of the most popular grow tents ever. The size is perfect for medium sized grow areas and plenty of customization to optimize your growing space. This is a popular grow tent because of the size. It's not too small and not too big. The two side doors are an added bonus to the whole setup because it allows you to work on your plants without having to go through the front.

Best 4*4ft grow tent kit

ECO Farm 4'x4' Essential Grow Tent Kit - 450W LM281B Waterproof Quantum Board

ECO Farm is an effective 4×4-inch grow tent for vegetable breeders. If you have a small garage that you want to transform into an indoor garden, buy yours now. Its durable and self-contained design supports most forms of agriculture. If you are interested in hydroponic farming, for instance, you will like its lightproof design.
ECO Farm 450W LM281B Waterproof Quantum Board Having the ability to solve the whole cycle of horticultural lighting problems, this LED grow light is especially designed for indoor plants to seek top quality and higher production
High Quality Full Spectrum - Our spectrum is designed specifically for the indoor/greenhouse growth environment of plants from seed to harvest.It’s ideal for a 5 x 5ft vegetative area or a 4 x 4ft flowering area.Offering a high efficacy rating of PPF efficacy 2.7μmol and more uniform light, the grow light can release more heat and reduce power consumption at the same time
Noise-free & Effective Ventilation: Airflow: 400 CFM | Noise: 28 dBA | 6" Inline Fan support 3 Speed Settings. | Fliter with built-in Australian virgin charcoal granules absorb exponentially more contaminants & allergens than traditional carbon.

VIVOSUN Grow Tent Complete Kit, 48"x48"x80" Growing Tent with VS1000 Led Grow Light 6 Inch 440 CFM Inline Fan Carbon Filter and 8ft Ducting Combo

• EXTRA-THICK, STANDS STURDY: The top-quality 340g oxford is tear proof and double stitched for perfect light blocking; Lined with non-toxic PE material, it is more safe for your plant, and the tent is supported by strong metal poles that are specially finished for smooth installation
• KEEPS ALL LIGHT IN: The VIVOSUN grow tent blocks all light from escaping and is lined with 98%-reflective mylar to boost the output efficiency of any grow tent setup. Zipper with black lining create a light-proof seal without the need for additional flaps and self-adhesive tape
• LOWER COSTS & HIGH EFFICIENCY: VIVOSUN VS1000 LED grow lights use the latest LED plant light technology including Samsung LM301H Diodes, high-energy efficiency with 2.75 umol/J; Extremely high output but consumes only 100W of electricity, making it more efficient than traditional HID lamps and other plant lamps on the market
• SUNLIKE FULL-SPECTRUM LIGHTING: These VS 1000 full-spectrum LEDs deliver optimal light-spectrum coverage—more power for your blooms and maximum PAR output at various distances, with super-bright lights that your plants will love; This LED light increases yield while decreasing costs, especially if you compare it to HPS/CMH combos

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