Not sure what your budget is, but AC Infinity’s S22 is excellent for the price and would be perfect for a 2x2 tent. I have two, bought on sale for $100 each, but it looks like they’re currently $109 (which I think is still a good value).

https://www.amazon.com/AC-Infinity-IONBOARD-Penetration-Greenhouses/dp/B09MYJ15H3?th=1