For only 1.2 cubic feet you really don't need a fan - if you want you can rotate your cigars every couple months or so from top shelf to bottom shelf, but you likely won't notice any difference. You could put two hygros in there to see what the difference is, but I have found that hygros are built to provide you with incorrect readings anyway - it's all part of the government trying to screw with us.

Beads + throw hygro away =

-Buzz