Small - This Made for humidors that hold 25 to 75 cigars. Just soak this humidifier in distilled water before attaching it to you humidor. To attach it to the ceiling of your humidor you can use the magnetic plate that is included with the humidifier.
Magnetic Plate Included
Dimensions: 4.7 inches x 1.6 inches x 0.5 inches
For Humidors of 25 to 75 Cigars Capacity.
Medium/Large - This humidifier is made for humidors with a capacity of 75 to 200 cigars. Just soak it with distilled water and attach it to the ceiling of the humidor. The humidifier can be attached to the humidor with the magnetic plate that is included. If you have a humidor that fits more than 200 cigars, it is suggested that you use two of these humidifiers.