What is Reddit's opinion of Vanleno 4inch Carbon Filter Odor Control with Australia Virgin Charcoal for Inline Fan, Hydroponics Indoor Plants Grow Tent Odor Control Grow Tent Odor Scrubber, Two Pre-Filter Included (4inch14inch)?

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Like others are mentioning, I would definitely add in a carbon filter (unless you have one that I can't see in the pics). If you are in the US you can get them for as cheap as $30. These filters that start at 4" diameter and 12" long and handle spaces well over small tents so it would even work if you end up expanding. Here's a $30 one , and heres a $40 one that I use in a tiny cabinet space and am very happy with