How do I know what size HUMI-SMART to use?

How do I know what size HUMI-SMART to use?

We’ll give you a general guideline, but there are things that will impact the performance of your HUMI-SMART. The climate in which you store your cigars will have the biggest impact on the performance of your HUMI-SMART. If the humidity is low, your HUMI-SMART will...