This would be more /r/microgrowery. But with that I would search for a 4" AC Infinity fan and AC Carbon Filter, they will fit that tent no problem.

Fan

Carbon Filter

Pipe

Light's - just a suggestion

You could not go wrong with a setup including those materials above.

They show in stock and I just ordered one. 6" ones too.

https://www.amazon.com/AC-Infinity-CLOUDLINE-S4-Controller/dp/B07JB292JC/ref=mp_s_a_1_2?dchild=1&keywords=ac+infinity+cloudline+t4&qid=1593974491&sprefix=ac+&sr=8-2