Luthiers Choice Humitron for Violin or Viola

The Humitron Violin/Viola Humidifier is made in the USA of soft rubber tubing packed with water-absorbent material. It’s a simple and inexpensive, yet effective way to maintain humidity inside your instrument body when stored, thus minimizing the possibility of costly damage from drying out and cracking wood. Humitrons also help to improve your instrument’s tonal quality and maintain consistent tuning.