This isn't a set-it-and-forget-it kind of tool, but it's one that might do the trick for you. The large clay-filled plastic container (1 5/8" high x 2" diameter) helps prevent drying out and cracking of guitars, violins, cellos, and other wooden instruments.
Prevent your guitar from drying out with this humidifier.
Clay material helps prevent drying out and cracking of wooden instruments.
Helps prevent drying out and cracking of guitars, violins, cellos, and other wooden instruments.

