I think that you really need a 6 inch fan for a 4x4 tent. Here is a 6" Vivosun on Amazon with accessories for $127.50 https://www.amazon.com/VIVOSUN-Ventilation-Inline-Controller-Ducting/dp/B08WZGLGYQ/ref=sr\_1\_3\_sspa?crid=OD8RBFCDOR82&keywords=ac%2Binfinity%2Bventilation%2Bkit&qid=1663714347&sprefix=ac%2Binfinity%2Bventilation%2Caps%2C166&sr=8-...
Item | Current | Lowest | Reviews |
---|---|---|---|
VIVOSUN Ventilation Kit 6 Inch 390 CFM Inline Fan… | $159.99 | $159.99 | 4.4/5.0 |
^Item Info | Bot Info | Trigger
This is what I got it’s a bit over your budget, but I’m telling you it’s a beast. Worth the money and it keeps my temps down VIVOSUN Ventilation Kit 6 Inch... https://www.amazon.com/dp/B08WZGLGYQ?ref=ppx_pop_mob_ap_share