DAMPIT has been protecting wood instruments for over 40 years. Long-lasting and easy to use. The DAMPIT is made of the finest materials. With proper care your DAMPIT will give you years of good service without needing frequent replacement. The Original Dampit Piano Humidifier. The ORIGINAL Dampit, not an imitation! Humidifies For Pianos Instructions and handy humidity guage included Helps maintain responsive action, tun...