Dampit HumidifierDon't let your Instrument dry out! Whether you live in a hot, dry desert area or in the freezing arctic zone, the scientifically tested Dampit humidifier will protect your instrument against damage by placing it in the instrument to maintain humidity, even while you're playing. The original humidifier for string instruments, Dampits have been protecting wood instruments for over 40 years. Invented and patented in 1966 by professional violinist and