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A larger version of the original Dampit, the Super Dampit guitar humidifier is perfect for larger acoustic guitars. The Super Dampit will help prevent your guitar from being damaged due to low humidity levels found in dry climates and heated buildings. It fits inside your instrument, through the soundhole, where it slowly releases moisture to maintain proper humidity levels. A soundhole cover and Humidity Indicator make it easy to keep your acoustic guitar safe and sounding great. Each Super Dampit includes operating instructions.