Daddario Humidipak Absorb Kit PW-HPK-04

Daddario PW-HPK-04 Humidipak Absorb, Humidifier, Automatic humidity control system for acoustic guitars, Automatically maintains the optimum relative humidity of 45-50% in your instrument case by absorbing moisture when needed@+*Note:* The packs last between 2 and 6 months and should always be stored in a sealed case ...